I have this problem with acceleration, when I accelerate hard, the
power seems to almost pulse, like the turbo is kicking in and out, I
have replaced all the obviouse stuff..plugs, wires, filter,..ect.
Anyone else seen this?
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93 legacy
Moderators: Helpinators, Moderators
-
legacycentral
93 legacy
I'm almost positive that we've narrowed this down to a faulty boost
control solenoid. The possible solution is to 1) buy a new or used
one or 2) buy a manual boost controller.
The MBC will do a much better job, and let you turn the boost up as
well, making for a faster car.
Dave
--- In BC-BFLegacyWorks@y..., "gessner18" <gessner17@a...> wrote:
> I have this problem with acceleration, when I accelerate hard, the
> power seems to almost pulse, like the turbo is kicking in and out,
I
> have replaced all the obviouse stuff..plugs, wires, filter,..ect.
> Anyone else seen this?
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control solenoid. The possible solution is to 1) buy a new or used
one or 2) buy a manual boost controller.
The MBC will do a much better job, and let you turn the boost up as
well, making for a faster car.
Dave
--- In BC-BFLegacyWorks@y..., "gessner18" <gessner17@a...> wrote:
> I have this problem with acceleration, when I accelerate hard, the
> power seems to almost pulse, like the turbo is kicking in and out,
I
> have replaced all the obviouse stuff..plugs, wires, filter,..ect.
> Anyone else seen this?
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Wilson, Tim
93 legacy
do you know where it's located? better still do you have a picture of the location of the
boost control solenoid?
-----Original Message-----
From: legacycentral [mailto:legacycentral@yahoo.com]
Sent: Friday, 26 April 2002 58 p.m.
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: 93 legacy
I'm almost positive that we've narrowed this down to a faulty boost
control solenoid. The possible solution is to 1) buy a new or used
one or 2) buy a manual boost controller.
The MBC will do a much better job, and let you turn the boost up as
well, making for a faster car.
Dave
--- In BC-BFLegacyWorks@y..., "gessner18" <gessner17@a...> wrote:
> I have this problem with acceleration, when I accelerate hard, the
> power seems to almost pulse, like the turbo is kicking in and out,
I
> have replaced all the obviouse stuff..plugs, wires, filter,..ect.
> Anyone else seen this?
To unsubscribe from this group, please send an email to:
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boost control solenoid?
-----Original Message-----
From: legacycentral [mailto:legacycentral@yahoo.com]
Sent: Friday, 26 April 2002 58 p.m.
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: 93 legacy
I'm almost positive that we've narrowed this down to a faulty boost
control solenoid. The possible solution is to 1) buy a new or used
one or 2) buy a manual boost controller.
The MBC will do a much better job, and let you turn the boost up as
well, making for a faster car.
Dave
--- In BC-BFLegacyWorks@y..., "gessner18" <gessner17@a...> wrote:
> I have this problem with acceleration, when I accelerate hard, the
> power seems to almost pulse, like the turbo is kicking in and out,
I
> have replaced all the obviouse stuff..plugs, wires, filter,..ect.
> Anyone else seen this?
To unsubscribe from this group, please send an email to:
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legacycentral
93 legacy
It's one of several sensors on the passenger side strut tower. It's
the red one in the center of this picture:
http://www.xmission.com/~dac/images/93/hbc/mounted.jpg
Dave
--- In BC-BFLegacyWorks@y..., "Wilson, Tim" <tim.wilson@c...> wrote:
> do you know where it's located? better still do you have a picture
of the location of the
> boost control solenoid?
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the red one in the center of this picture:
http://www.xmission.com/~dac/images/93/hbc/mounted.jpg
Dave
--- In BC-BFLegacyWorks@y..., "Wilson, Tim" <tim.wilson@c...> wrote:
> do you know where it's located? better still do you have a picture
of the location of the
> boost control solenoid?
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gessner18
93 legacy
Anyone know how much these are new? Should I look for used?
--- In BC-BFLegacyWorks@y..., "legacycentral" <legacycentral@y...>
wrote:
> It's one of several sensors on the passenger side strut tower.
It's
> the red one in the center of this picture:
> http://www.xmission.com/~dac/images/93/hbc/mounted.jpg
>
> Dave
>
> --- In BC-BFLegacyWorks@y..., "Wilson, Tim" <tim.wilson@c...>
wrote:
> > do you know where it's located? better still do you have a
picture
> of the location of the
> > boost control solenoid?
------------------------ ---------------------~-->
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--- In BC-BFLegacyWorks@y..., "legacycentral" <legacycentral@y...>
wrote:
> It's one of several sensors on the passenger side strut tower.
It's
> the red one in the center of this picture:
> http://www.xmission.com/~dac/images/93/hbc/mounted.jpg
>
> Dave
>
> --- In BC-BFLegacyWorks@y..., "Wilson, Tim" <tim.wilson@c...>
wrote:
> > do you know where it's located? better still do you have a
picture
> of the location of the
> > boost control solenoid?
------------------------ ---------------------~-->
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lgyee4
93 legacy
I'm having the same problem with my 93 turbo. I just called Carlsen
Subaru in Redwoodcity in CA and they quoted me $170.
--- In BC-BFLegacyWorks@y..., "gessner18" <gessner17@a...> wrote:
> Anyone know how much these are new? Should I look for used?
>
>
>
>
> --- In BC-BFLegacyWorks@y..., "legacycentral" <legacycentral@y...>
> wrote:
> > It's one of several sensors on the passenger side strut tower.
> It's
> > the red one in the center of this picture:
> > http://www.xmission.com/~dac/images/93/hbc/mounted.jpg
> >
> > Dave
> >
> > --- In BC-BFLegacyWorks@y..., "Wilson, Tim" <tim.wilson@c...>
> wrote:
> > > do you know where it's located? better still do you have a
> picture
> > of the location of the
> > > boost control solenoid
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Subaru in Redwoodcity in CA and they quoted me $170.
--- In BC-BFLegacyWorks@y..., "gessner18" <gessner17@a...> wrote:
> Anyone know how much these are new? Should I look for used?
>
>
>
>
> --- In BC-BFLegacyWorks@y..., "legacycentral" <legacycentral@y...>
> wrote:
> > It's one of several sensors on the passenger side strut tower.
> It's
> > the red one in the center of this picture:
> > http://www.xmission.com/~dac/images/93/hbc/mounted.jpg
> >
> > Dave
> >
> > --- In BC-BFLegacyWorks@y..., "Wilson, Tim" <tim.wilson@c...>
> wrote:
> > > do you know where it's located? better still do you have a
> picture
> > of the location of the
> > > boost control solenoid
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legacycentral
93 legacy
Buy a manual boost controller. Problem Solved.
--- In BC-BFLegacyWorks@y..., "gessner18" <gessner17@a...> wrote:
> Anyone know how much these are new? Should I look for used?
------------------------ ---------------------~-->
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--- In BC-BFLegacyWorks@y..., "gessner18" <gessner17@a...> wrote:
> Anyone know how much these are new? Should I look for used?
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Simon LaRochelle
93 legacy
I had the same problem. The valve fixed it!! Don't hesitate!! Buy a contolor!!
----- Original Message -----
From: legacycentral <mailto:legacycentral@yahoo.com>
To: BC-BFLegacyWorks@yahoogroups.com
Sent: Friday, April 26, 2002 1:12 PM
Subject: [BC-BFLegacyWorks] Re: 93 legacy
Buy a manual boost controller. Problem Solved.
--- In BC-BFLegacyWorks@y..., "gessner18" <gessner17@a...> wrote:
> Anyone know how much these are new? Should I look for used?
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----- Original Message -----
From: legacycentral <mailto:legacycentral@yahoo.com>
To: BC-BFLegacyWorks@yahoogroups.com
Sent: Friday, April 26, 2002 1:12 PM
Subject: [BC-BFLegacyWorks] Re: 93 legacy
Buy a manual boost controller. Problem Solved.
--- In BC-BFLegacyWorks@y..., "gessner18" <gessner17@a...> wrote:
> Anyone know how much these are new? Should I look for used?
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Carl Andersen
93 legacy
If a guy were to install a HBC would he need a boost guage?
gessner18 wrote:
I have this problem with acceleration, when I accelerate hard, the
power seems to almost pulse, like the turbo is kicking in and out, I
have replaced all the obviouse stuff..plugs, wires, filter,..ect.
Anyone else seen this?
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gessner18 wrote:
I have this problem with acceleration, when I accelerate hard, the
power seems to almost pulse, like the turbo is kicking in and out, I
have replaced all the obviouse stuff..plugs, wires, filter,..ect.
Anyone else seen this?
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-
Simon LaRochelle
93 legacy
Of course!!! You need to set the proper boost!!! An easy way to tap the gauge is on the intake manifold...good reading and easy acces in the engine bay...
Good Luck!
----- Original Message -----
From: Carl Andersen <mailto:cdanders@tconl.com>
To: BC-BFLegacyWorks@yahoogroups.com
Sent: Saturday, April 27, 2002 62 PM
Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
If a guy were to install a HBC would he need a boost guage?
gessner18 wrote:
I have this problem with acceleration, when I accelerate hard, the
power seems to almost pulse, like the turbo is kicking in and out, I
have replaced all the obviouse stuff..plugs, wires, filter,..ect.
Anyone else seen this?
To unsubscribe from this group, please send an email to:
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Good Luck!
----- Original Message -----
From: Carl Andersen <mailto:cdanders@tconl.com>
To: BC-BFLegacyWorks@yahoogroups.com
Sent: Saturday, April 27, 2002 62 PM
Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
If a guy were to install a HBC would he need a boost guage?
gessner18 wrote:
I have this problem with acceleration, when I accelerate hard, the
power seems to almost pulse, like the turbo is kicking in and out, I
have replaced all the obviouse stuff..plugs, wires, filter,..ect.
Anyone else seen this?
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
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jason grahn
93 legacy
That guy should have one anyway, especially if he's going to install a boost
controller.
I have two I'm selling, one Apexi and one GReddy. email me off list if this
guy needs one.
-Jason
>From: Carl Andersen <cdanders@tconl.com>
>If a guy were to install a HBC would he need a boost guage?
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controller.
I have two I'm selling, one Apexi and one GReddy. email me off list if this
guy needs one.
-Jason
>From: Carl Andersen <cdanders@tconl.com>
>If a guy were to install a HBC would he need a boost guage?
_________________________________________________________________
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Carl Andersen
93 legacy
Hey all,
What is the highest boost anyone has achieved using the stock turbo?
Thanks,
Carl
93 Touring Wagon
jason grahn wrote:
That guy should have one anyway, especially if he's going to install a boost
controller.
I have two I'm selling, one Apexi and one GReddy. email me off list if this
guy needs one.
-Jason
From: Carl Andersen <mailto:cdanders@tconl.com> <cdanders@tconl.com>
If a guy were to install a HBC would he need a boost guage?
_________________________________________________________________
Join the world’s largest e-mail service with MSN Hotmail.
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What is the highest boost anyone has achieved using the stock turbo?
Thanks,
Carl
93 Touring Wagon
jason grahn wrote:
That guy should have one anyway, especially if he's going to install a boost
controller.
I have two I'm selling, one Apexi and one GReddy. email me off list if this
guy needs one.
-Jason
From: Carl Andersen <mailto:cdanders@tconl.com> <cdanders@tconl.com>
If a guy were to install a HBC would he need a boost guage?
_________________________________________________________________
Join the world’s largest e-mail service with MSN Hotmail.
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milehial2000
93 legacy
You can get quite a bit but the problem is when you get above about 15
lbs the discharge temp goes through the roof and detonation is
certain. I am running 15 lbs with a cold air intake and water to air
intercooler and I think I am probably close to the practical limit.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <cdanders@t...> wrote:
> Hey all,
>
> What is the highest boost anyone has achieved using the stock turbo?
>
> Thanks,
> Carl
> 93 Touring Wagon
>
>
> jason grahn wrote:
>
> >That guy should have one anyway, especially if he's going to
install a boost
> >controller.
> >
> >I have two I'm selling, one Apexi and one GReddy. email me off list
if this
> >guy needs one.
> >
> >-Jason
> >
> >>From: Carl Andersen <cdanders@t...>
> >>
> >
> >>If a guy were to install a HBC would he need a boost guage?
> >>
> >
> >_________________________________________________________________
> >Join the world's largest e-mail service with MSN Hotmail.
> >http://www.hotmail.com
> >
> >
> >
> >To unsubscribe from this group, please send an email to:
> >BC-BFLegacyWorks-unsubscribe@e...
> >
> >
> >
> >Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
------------------------ ---------------------~-->
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lbs the discharge temp goes through the roof and detonation is
certain. I am running 15 lbs with a cold air intake and water to air
intercooler and I think I am probably close to the practical limit.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <cdanders@t...> wrote:
> Hey all,
>
> What is the highest boost anyone has achieved using the stock turbo?
>
> Thanks,
> Carl
> 93 Touring Wagon
>
>
> jason grahn wrote:
>
> >That guy should have one anyway, especially if he's going to
install a boost
> >controller.
> >
> >I have two I'm selling, one Apexi and one GReddy. email me off list
if this
> >guy needs one.
> >
> >-Jason
> >
> >>From: Carl Andersen <cdanders@t...>
> >>
> >
> >>If a guy were to install a HBC would he need a boost guage?
> >>
> >
> >_________________________________________________________________
> >Join the world's largest e-mail service with MSN Hotmail.
> >http://www.hotmail.com
> >
> >
> >
> >To unsubscribe from this group, please send an email to:
> >BC-BFLegacyWorks-unsubscribe@e...
> >
> >
> >
> >Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
------------------------ ---------------------~-->
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-
Sam & Beth Barrett
93 legacy
BOOM!
-----Original Message-----
From: Carl Andersen [mailto:cdanders@tconl.com]
Sent: Saturday, May 11, 2002 3:55 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
Can someone give me a deffinition of "detonation?"
Thanks,
Carl
milehial2000 wrote:
You can get quite a bit but the problem is when you get above about 15
lbs the discharge temp goes through the roof and detonation is
certain. I am running 15 lbs with a cold air intake and water to air
intercooler and I think I am probably close to the practical limit.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <mailto:cdanders@t...> <cdanders@t...> wrote:
> Hey all,
>
> What is the highest boost anyone has achieved using the stock turbo?
>
> Thanks,
> Carl
> 93 Touring Wagon
>
>
> jason grahn wrote:
>
> >That guy should have one anyway, especially if he's going to
install a boost
> >controller.
> >
> >I have two I'm selling, one Apexi and one GReddy. email me off list
if this
> >guy needs one.
> >
> >-Jason
> >
> >>From: Carl Andersen <mailto:cdanders@t...> <cdanders@t...>
> >>
> >
> >>If a guy were to install a HBC would he need a boost guage?
> >>
> >
> >_________________________________________________________________
> >Join the world's largest e-mail service with MSN Hotmail.
> > http://www.hotmail.com
> >
> >
> >
> >To unsubscribe from this group, please send an email to:
> > BC-BFLegacyWorks-unsubscribe@e...
> >
> >
> >
> >Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
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-----Original Message-----
From: Carl Andersen [mailto:cdanders@tconl.com]
Sent: Saturday, May 11, 2002 3:55 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
Can someone give me a deffinition of "detonation?"
Thanks,
Carl
milehial2000 wrote:
You can get quite a bit but the problem is when you get above about 15
lbs the discharge temp goes through the roof and detonation is
certain. I am running 15 lbs with a cold air intake and water to air
intercooler and I think I am probably close to the practical limit.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <mailto:cdanders@t...> <cdanders@t...> wrote:
> Hey all,
>
> What is the highest boost anyone has achieved using the stock turbo?
>
> Thanks,
> Carl
> 93 Touring Wagon
>
>
> jason grahn wrote:
>
> >That guy should have one anyway, especially if he's going to
install a boost
> >controller.
> >
> >I have two I'm selling, one Apexi and one GReddy. email me off list
if this
> >guy needs one.
> >
> >-Jason
> >
> >>From: Carl Andersen <mailto:cdanders@t...> <cdanders@t...>
> >>
> >
> >>If a guy were to install a HBC would he need a boost guage?
> >>
> >
> >_________________________________________________________________
> >Join the world's largest e-mail service with MSN Hotmail.
> > http://www.hotmail.com
> >
> >
> >
> >To unsubscribe from this group, please send an email to:
> > BC-BFLegacyWorks-unsubscribe@e...
> >
> >
> >
> >Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
To unsubscribe from this group, please send an email to:
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-
Carl Andersen
93 legacy
Can someone give me a deffinition of "detonation?"
Thanks,
Carl
milehial2000 wrote:
You can get quite a bit but the problem is when you get above about 15
lbs the discharge temp goes through the roof and detonation is
certain. I am running 15 lbs with a cold air intake and water to air
intercooler and I think I am probably close to the practical limit.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <mailto:cdanders@t...> <cdanders@t...> wrote:
> Hey all,
>
> What is the highest boost anyone has achieved using the stock turbo?
>
> Thanks,
> Carl
> 93 Touring Wagon
>
>
> jason grahn wrote:
>
> >That guy should have one anyway, especially if he's going to
install a boost
> >controller.
> >
> >I have two I'm selling, one Apexi and one GReddy. email me off list
if this
> >guy needs one.
> >
> >-Jason
> >
> >>From: Carl Andersen <mailto:cdanders@t...> <cdanders@t...>
> >>
> >
> >>If a guy were to install a HBC would he need a boost guage?
> >>
> >
> >_________________________________________________________________
> >Join the world's largest e-mail service with MSN Hotmail.
> >http://www.hotmail.com
> >
> >
> >
> >To unsubscribe from this group, please send an email to:
> >BC-BFLegacyWorks-unsubscribe@e...
> >
> >
> >
> >Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
To unsubscribe from this group, please send an email to:
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Thanks,
Carl
milehial2000 wrote:
You can get quite a bit but the problem is when you get above about 15
lbs the discharge temp goes through the roof and detonation is
certain. I am running 15 lbs with a cold air intake and water to air
intercooler and I think I am probably close to the practical limit.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <mailto:cdanders@t...> <cdanders@t...> wrote:
> Hey all,
>
> What is the highest boost anyone has achieved using the stock turbo?
>
> Thanks,
> Carl
> 93 Touring Wagon
>
>
> jason grahn wrote:
>
> >That guy should have one anyway, especially if he's going to
install a boost
> >controller.
> >
> >I have two I'm selling, one Apexi and one GReddy. email me off list
if this
> >guy needs one.
> >
> >-Jason
> >
> >>From: Carl Andersen <mailto:cdanders@t...> <cdanders@t...>
> >>
> >
> >>If a guy were to install a HBC would he need a boost guage?
> >>
> >
> >_________________________________________________________________
> >Join the world's largest e-mail service with MSN Hotmail.
> >http://www.hotmail.com
> >
> >
> >
> >To unsubscribe from this group, please send an email to:
> >BC-BFLegacyWorks-unsubscribe@e...
> >
> >
> >
> >Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
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-
Josh Colombo
93 legacy
Not that Sam is incorrect
Here's a little more in depth definition.
Detonation is a cause of pre-ignition. In a high boost turbo case, what happens is the air intake charge pressures become too high and too hot, and as the cylinder is compressing the air.....it ignites before it's supposed to.
If your spark plug is supposed to fire 20 degrees before top dead center to ignite the mix, and the intake charge is too hot and too much pressure before that, the mix will ignite by itself....without the spark plug....hence pre-ignition.
As a result of pre-ignition, you have an explosion that is going against what the rest of the engine is doing....and it's normal rotation.......and you get detonation......and as Sam put it.....BOOM.....and you could also get a thud and smash as well......
Josh
************************************
Josh Colombo
<mailto:Josh@surrealmirage.com> Josh@surrealmirage.com
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: Carl Andersen [mailto:cdanders@tconl.com]
Sent: Saturday, May 11, 2002 5:55 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
Can someone give me a deffinition of "detonation?"
Thanks,
Carl
milehial2000 wrote:
You can get quite a bit but the problem is when you get above about 15
lbs the discharge temp goes through the roof and detonation is
certain. I am running 15 lbs with a cold air intake and water to air
intercooler and I think I am probably close to the practical limit.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <mailto:cdanders@t...> <cdanders@t...> wrote:
> Hey all,
>
> What is the highest boost anyone has achieved using the stock turbo?
>
> Thanks,
> Carl
> 93 Touring Wagon
>
>
> jason grahn wrote:
>
> >That guy should have one anyway, especially if he's going to
install a boost
> >controller.
> >
> >I have two I'm selling, one Apexi and one GReddy. email me off list
if this
> >guy needs one.
> >
> >-Jason
> >
> >>From: Carl Andersen <mailto:cdanders@t...> <cdanders@t...>
> >>
> >
> >>If a guy were to install a HBC would he need a boost guage?
> >>
> >
> >_________________________________________________________________
> >Join the world's largest e-mail service with MSN Hotmail.
> >http://www.hotmail.com
> >
> >
> >
> >To unsubscribe from this group, please send an email to:
> >BC-BFLegacyWorks-unsubscribe@e...
> >
> >
> >
> >Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
To unsubscribe from this group, please send an email to:
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Weight:
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Here's a little more in depth definition.
Detonation is a cause of pre-ignition. In a high boost turbo case, what happens is the air intake charge pressures become too high and too hot, and as the cylinder is compressing the air.....it ignites before it's supposed to.
If your spark plug is supposed to fire 20 degrees before top dead center to ignite the mix, and the intake charge is too hot and too much pressure before that, the mix will ignite by itself....without the spark plug....hence pre-ignition.
As a result of pre-ignition, you have an explosion that is going against what the rest of the engine is doing....and it's normal rotation.......and you get detonation......and as Sam put it.....BOOM.....and you could also get a thud and smash as well......
Josh
************************************
Josh Colombo
<mailto:Josh@surrealmirage.com> Josh@surrealmirage.com
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: Carl Andersen [mailto:cdanders@tconl.com]
Sent: Saturday, May 11, 2002 5:55 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
Can someone give me a deffinition of "detonation?"
Thanks,
Carl
milehial2000 wrote:
You can get quite a bit but the problem is when you get above about 15
lbs the discharge temp goes through the roof and detonation is
certain. I am running 15 lbs with a cold air intake and water to air
intercooler and I think I am probably close to the practical limit.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <mailto:cdanders@t...> <cdanders@t...> wrote:
> Hey all,
>
> What is the highest boost anyone has achieved using the stock turbo?
>
> Thanks,
> Carl
> 93 Touring Wagon
>
>
> jason grahn wrote:
>
> >That guy should have one anyway, especially if he's going to
install a boost
> >controller.
> >
> >I have two I'm selling, one Apexi and one GReddy. email me off list
if this
> >guy needs one.
> >
> >-Jason
> >
> >>From: Carl Andersen <mailto:cdanders@t...> <cdanders@t...>
> >>
> >
> >>If a guy were to install a HBC would he need a boost guage?
> >>
> >
> >_________________________________________________________________
> >Join the world's largest e-mail service with MSN Hotmail.
> >http://www.hotmail.com
> >
> >
> >
> >To unsubscribe from this group, please send an email to:
> >BC-BFLegacyWorks-unsubscribe@e...
> >
> >
> >
> >Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
zZz <http://docs.yahoo.com/info/terms/> .
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<http://rd.yahoo.com/M=194081.2053425.35 ... ?code=3225>
Height: 4 5 6 7 ft 0 1 2 3 4 5 6 7 8 9 10 11 in
Weight:
Sex: F M
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-
Carl Andersen
93 legacy
Thanks Josh,
Is this normally a catastrophic problem creating massive oil slicks and holes in the block? Or is it a backfire type situation?
I guess the question is: is there any warning or do you only get one detonation per engine rebuild?
Thanks again,
Carl
Josh Colombo wrote:
Not that Sam is incorrect
Here's a little more in depth definition.
Detonation is a cause of pre-ignition. In a high boost turbo case, what happens is the air intake charge pressures become too high and too hot, and as the cylinder is compressing the air.....it ignites before it's supposed to.
If your spark plug is supposed to fire 20 degrees before top dead center to ignite the mix, and the intake charge is too hot and too much pressure before that, the mix will ignite by itself....without the spark plug....hence pre-ignition.
As a result of pre-ignition, you have an explosion that is going against what the rest of the engine is doing....and it's normal rotation.......and you get detonation......and as Sam put it.....BOOM.....and you could also get a thud and smash as well......
Josh
************************************
Josh Colombo
<mailto:Josh@surrealmirage.com> Josh@surrealmirage.com
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: Carl Andersen [mailto:cdanders@tconl.com]
Sent: Saturday, May 11, 2002 5:55 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
Can someone give me a deffinition of "detonation?"
Thanks,
Carl
milehial2000 wrote:
You can get quite a bit but the problem is when you get above about 15
lbs the discharge temp goes through the roof and detonation is
certain. I am running 15 lbs with a cold air intake and water to air
intercooler and I think I am probably close to the practical limit.
AL(CO)
--- In <mailto:BC-BFLegacyWorks@y> BC-BFLegacyWorks@y ..., Carl Andersen <mailto:cdanders@t...> <cdanders@t...> wrote:
> Hey all,
>
> What is the highest boost anyone has achieved using the stock turbo?
>
> Thanks,
> Carl
> 93 Touring Wagon
>
>
> jason grahn wrote:
>
> >That guy should have one anyway, especially if he's going to
install a boost
> >controller.
> >
> >I have two I'm selling, one Apexi and one GReddy. email me off list
if this
> >guy needs one.
> >
> >-Jason
> >
> >>From: Carl Andersen <mailto:cdanders@t...> <cdanders@t...>
> >>
> >
> >>If a guy were to install a HBC would he need a boost guage?
> >>
> >
> >_________________________________________________________________
> >Join the world's largest e-mail service with MSN Hotmail.
> >http://www.hotmail.com
> >
> >
> >
> >To unsubscribe from this group, please send an email to:
> > <mailto:BC-BFLegacyWorks-unsubscribe@e> BC-BFLegacyWorks-unsubscribe@e ...
> >
> >
> >
> >Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
To unsubscribe from this group, please send an email to:
<mailto:BC-BFLegacyWorks-unsubscribe@egroups.com> BC-BFLegacyWorks-unsubscribe@egroups.com
Your use of Yahoo! Groups is subject to the <http://docs.yahoo.com/info/terms/> Yahoo! Terms of Service .
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
Your use of Yahoo! Groups is subject to the <http://docs.yahoo.com/info/terms/> Yahoo! Terms of Service .
Is this normally a catastrophic problem creating massive oil slicks and holes in the block? Or is it a backfire type situation?
I guess the question is: is there any warning or do you only get one detonation per engine rebuild?
Thanks again,
Carl
Josh Colombo wrote:
Not that Sam is incorrect
Here's a little more in depth definition.
Detonation is a cause of pre-ignition. In a high boost turbo case, what happens is the air intake charge pressures become too high and too hot, and as the cylinder is compressing the air.....it ignites before it's supposed to.
If your spark plug is supposed to fire 20 degrees before top dead center to ignite the mix, and the intake charge is too hot and too much pressure before that, the mix will ignite by itself....without the spark plug....hence pre-ignition.
As a result of pre-ignition, you have an explosion that is going against what the rest of the engine is doing....and it's normal rotation.......and you get detonation......and as Sam put it.....BOOM.....and you could also get a thud and smash as well......
Josh
************************************
Josh Colombo
<mailto:Josh@surrealmirage.com> Josh@surrealmirage.com
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: Carl Andersen [mailto:cdanders@tconl.com]
Sent: Saturday, May 11, 2002 5:55 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
Can someone give me a deffinition of "detonation?"
Thanks,
Carl
milehial2000 wrote:
You can get quite a bit but the problem is when you get above about 15
lbs the discharge temp goes through the roof and detonation is
certain. I am running 15 lbs with a cold air intake and water to air
intercooler and I think I am probably close to the practical limit.
AL(CO)
--- In <mailto:BC-BFLegacyWorks@y> BC-BFLegacyWorks@y ..., Carl Andersen <mailto:cdanders@t...> <cdanders@t...> wrote:
> Hey all,
>
> What is the highest boost anyone has achieved using the stock turbo?
>
> Thanks,
> Carl
> 93 Touring Wagon
>
>
> jason grahn wrote:
>
> >That guy should have one anyway, especially if he's going to
install a boost
> >controller.
> >
> >I have two I'm selling, one Apexi and one GReddy. email me off list
if this
> >guy needs one.
> >
> >-Jason
> >
> >>From: Carl Andersen <mailto:cdanders@t...> <cdanders@t...>
> >>
> >
> >>If a guy were to install a HBC would he need a boost guage?
> >>
> >
> >_________________________________________________________________
> >Join the world's largest e-mail service with MSN Hotmail.
> >http://www.hotmail.com
> >
> >
> >
> >To unsubscribe from this group, please send an email to:
> > <mailto:BC-BFLegacyWorks-unsubscribe@e> BC-BFLegacyWorks-unsubscribe@e ...
> >
> >
> >
> >Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
To unsubscribe from this group, please send an email to:
<mailto:BC-BFLegacyWorks-unsubscribe@egroups.com> BC-BFLegacyWorks-unsubscribe@egroups.com
Your use of Yahoo! Groups is subject to the <http://docs.yahoo.com/info/terms/> Yahoo! Terms of Service .
To unsubscribe from this group, please send an email to:
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-
milehial2000
93 legacy
Hi Carl, Josh may have given up on us this evenimg. The term
detonation covers several things and they are also called ping, knock
ect. and it can happen for different reasons a small bit of burning
carbon left from a previous burn sometimes will just cause a small
preignition or backfire and probably do no harm a preignition from a
hot charge or high boost can cause damage at times, usually to a
piston and the last is when the charge is ignited just from heat and
pressure and the plug also ignites the top part of the charge and the
two flame fronts from top and bottom collide, this is the worst one
and can cause very high pressures in the chamber and can cause some
damage. But fortunatly most of the time our knock sensors can detect
this and retard the timing and protect the engine before things get
out of hand and this type of damage s fairly rare.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <cdanders@t...> wrote:
> Thanks Josh,
>
> Is this normally a catastrophic problem creating massive oil slicks
and
> holes in the block? Or is it a backfire type situation?
>
> I guess the question is: is there any warning or do you only get one
> detonation per engine rebuild?
>
> Thanks again,
> Carl
>
> Josh Colombo wrote:
>
> > Not that Sam is incorrect
> >
> >
> >
> > Here's a little more in depth definition.
> >
> >
> >
> > Detonation is a cause of pre-ignition. In a high boost turbo
case,
> > what happens is the air intake charge pressures become too high
and
> > too hot, and as the cylinder is compressing the air.....it ignites
> > before it's supposed to.
> >
> >
> >
> > If your spark plug is supposed to fire 20 degrees before top dead
> > center to ignite the mix, and the intake charge is too hot and too
> > much pressure before that, the mix will ignite by
itself....without
> > the spark plug....hence pre-ignition.
> >
> >
> >
> > As a result of pre-ignition, you have an explosion that is going
> > against what the rest of the engine is doing....and it's normal
> > rotation.......and you get detonation......and as Sam put
> > it.....BOOM.....and you could also get a thud and smash as
well......
> >
> >
> >
> > Josh
> >
> >
> >
> > ************************************
> >
> > Josh Colombo
> >
> > Josh@s... <mailto:Josh@s...>
> >
> >
> >
> > "Life, an ever-changing melody
> >
> > of beats and rhythm" - ME
> >
> > ************************************
> >
> > -----Original Message-----
> > From: Carl Andersen [mailto:cdanders@t...]
> > Sent: Saturday, May 11, 2002 5:55 PM
> > To: BC-BFLegacyWorks@y...
> > Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
> >
> > Can someone give me a deffinition of "detonation?"
> >
> > Thanks,
> > Carl
> >
> >
> > milehial2000 wrote:
> >
> >> You can get quite a bit but the problem is when you get above
> >> about 15
> >> lbs the discharge temp goes through the roof and detonation
is
> >> certain. I am running 15 lbs with a cold air intake and water
to air
> >> intercooler and I think I am probably close to the practical
limit.
> >> AL(CO)
> >>
> >>
> >>
> >> --- In BC-BFLegacyWorks@y <mailto:BC-BFLegacyWorks@y> ...,
Carl
> >> Andersen <cdanders@t...> <mailto:cdanders@t...> wrote:
> >> > Hey all,
> >> >
> >> > What is the highest boost anyone has achieved using the
stock
> >> turbo?
> >> >
> >> > Thanks,
> >> > Carl
> >> > 93 Touring Wagon
> >> >
> >> >
> >> > jason grahn wrote:
> >> >
> >> > >That guy should have one anyway, especially if he's going
to
> >> install a boost
> >> > >controller.
> >> > >
> >> > >I have two I'm selling, one Apexi and one GReddy. email me
off
> >> list
> >> if this
> >> > >guy needs one.
> >> > >
> >> > >-Jason
> >> > >
> >> > >>From: Carl Andersen <cdanders@t...>
<mailto:cdanders@t...>
> >> > >>
> >> > >
> >> > >>If a guy were to install a HBC would he need a boost
guage?
> >> > >>
> >> > >
> >> >
>_________________________________________________________________
> >> > >Join the world's largest e-mail service with MSN Hotmail.
> >> > >http://www.hotmail.com
> >> > >
> >> > >
> >> > >
> >> > >To unsubscribe from this group, please send an email to:
> >> > > BC-BFLegacyWorks-unsubscribe@e
> >> <mailto:BC-BFLegacyWorks-unsubscribe@e> ...
> >> > >
> >> > >
> >> > >
> >> > >Your use of Yahoo! Groups is subject to
> >> http://docs.yahoo.com/info/terms/
> >> > >
> >> > >
> >>
> >>
> >>
> >> To unsubscribe from this group, please send an email to:
> >> BC-BFLegacyWorks-unsubscribe@e...
> >> <mailto:BC-BFLegacyWorks-unsubscribe@e...>
> >>
> >>
> >>
> >> Your use of Yahoo! Groups is subject to the Yahoo! Terms of
> >> Service <http://docs.yahoo.com/info/terms/> .
> >
> >
> >
> >
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detonation covers several things and they are also called ping, knock
ect. and it can happen for different reasons a small bit of burning
carbon left from a previous burn sometimes will just cause a small
preignition or backfire and probably do no harm a preignition from a
hot charge or high boost can cause damage at times, usually to a
piston and the last is when the charge is ignited just from heat and
pressure and the plug also ignites the top part of the charge and the
two flame fronts from top and bottom collide, this is the worst one
and can cause very high pressures in the chamber and can cause some
damage. But fortunatly most of the time our knock sensors can detect
this and retard the timing and protect the engine before things get
out of hand and this type of damage s fairly rare.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <cdanders@t...> wrote:
> Thanks Josh,
>
> Is this normally a catastrophic problem creating massive oil slicks
and
> holes in the block? Or is it a backfire type situation?
>
> I guess the question is: is there any warning or do you only get one
> detonation per engine rebuild?
>
> Thanks again,
> Carl
>
> Josh Colombo wrote:
>
> > Not that Sam is incorrect
> >
> >
> >
> > Here's a little more in depth definition.
> >
> >
> >
> > Detonation is a cause of pre-ignition. In a high boost turbo
case,
> > what happens is the air intake charge pressures become too high
and
> > too hot, and as the cylinder is compressing the air.....it ignites
> > before it's supposed to.
> >
> >
> >
> > If your spark plug is supposed to fire 20 degrees before top dead
> > center to ignite the mix, and the intake charge is too hot and too
> > much pressure before that, the mix will ignite by
itself....without
> > the spark plug....hence pre-ignition.
> >
> >
> >
> > As a result of pre-ignition, you have an explosion that is going
> > against what the rest of the engine is doing....and it's normal
> > rotation.......and you get detonation......and as Sam put
> > it.....BOOM.....and you could also get a thud and smash as
well......
> >
> >
> >
> > Josh
> >
> >
> >
> > ************************************
> >
> > Josh Colombo
> >
> > Josh@s... <mailto:Josh@s...>
> >
> >
> >
> > "Life, an ever-changing melody
> >
> > of beats and rhythm" - ME
> >
> > ************************************
> >
> > -----Original Message-----
> > From: Carl Andersen [mailto:cdanders@t...]
> > Sent: Saturday, May 11, 2002 5:55 PM
> > To: BC-BFLegacyWorks@y...
> > Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
> >
> > Can someone give me a deffinition of "detonation?"
> >
> > Thanks,
> > Carl
> >
> >
> > milehial2000 wrote:
> >
> >> You can get quite a bit but the problem is when you get above
> >> about 15
> >> lbs the discharge temp goes through the roof and detonation
is
> >> certain. I am running 15 lbs with a cold air intake and water
to air
> >> intercooler and I think I am probably close to the practical
limit.
> >> AL(CO)
> >>
> >>
> >>
> >> --- In BC-BFLegacyWorks@y <mailto:BC-BFLegacyWorks@y> ...,
Carl
> >> Andersen <cdanders@t...> <mailto:cdanders@t...> wrote:
> >> > Hey all,
> >> >
> >> > What is the highest boost anyone has achieved using the
stock
> >> turbo?
> >> >
> >> > Thanks,
> >> > Carl
> >> > 93 Touring Wagon
> >> >
> >> >
> >> > jason grahn wrote:
> >> >
> >> > >That guy should have one anyway, especially if he's going
to
> >> install a boost
> >> > >controller.
> >> > >
> >> > >I have two I'm selling, one Apexi and one GReddy. email me
off
> >> list
> >> if this
> >> > >guy needs one.
> >> > >
> >> > >-Jason
> >> > >
> >> > >>From: Carl Andersen <cdanders@t...>
<mailto:cdanders@t...>
> >> > >>
> >> > >
> >> > >>If a guy were to install a HBC would he need a boost
guage?
> >> > >>
> >> > >
> >> >
>_________________________________________________________________
> >> > >Join the world's largest e-mail service with MSN Hotmail.
> >> > >http://www.hotmail.com
> >> > >
> >> > >
> >> > >
> >> > >To unsubscribe from this group, please send an email to:
> >> > > BC-BFLegacyWorks-unsubscribe@e
> >> <mailto:BC-BFLegacyWorks-unsubscribe@e> ...
> >> > >
> >> > >
> >> > >
> >> > >Your use of Yahoo! Groups is subject to
> >> http://docs.yahoo.com/info/terms/
> >> > >
> >> > >
> >>
> >>
> >>
> >> To unsubscribe from this group, please send an email to:
> >> BC-BFLegacyWorks-unsubscribe@e...
> >> <mailto:BC-BFLegacyWorks-unsubscribe@e...>
> >>
> >>
> >>
> >> Your use of Yahoo! Groups is subject to the Yahoo! Terms of
> >> Service <http://docs.yahoo.com/info/terms/> .
> >
> >
> >
> >
> > ADVERTISEMENT
> >
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> >
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> >
> >
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> >
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> > Weight:
> > Sex: F M
> >
> >
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Josh Colombo
93 legacy
Thanks Al for picking up the ball......
I headed out last night to meet up with some other car guys and then the
pub
Josh
************************************
Josh Colombo
Josh@surrealmirage.com <mailto:Josh@surrealmirage.com>
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: milehial2000 [mailto:acroxford@hypermall.net]
Sent: Saturday, May 11, 2002 11:18 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: 93 legacy
Hi Carl, Josh may have given up on us this evenimg. The term
detonation covers several things and they are also called ping, knock
ect. and it can happen for different reasons a small bit of burning
carbon left from a previous burn sometimes will just cause a small
preignition or backfire and probably do no harm a preignition from a
hot charge or high boost can cause damage at times, usually to a
piston and the last is when the charge is ignited just from heat and
pressure and the plug also ignites the top part of the charge and the
two flame fronts from top and bottom collide, this is the worst one
and can cause very high pressures in the chamber and can cause some
damage. But fortunatly most of the time our knock sensors can detect
this and retard the timing and protect the engine before things get
out of hand and this type of damage s fairly rare.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <cdanders@t...> wrote:
> Thanks Josh,
>
> Is this normally a catastrophic problem creating massive oil slicks
and
> holes in the block? Or is it a backfire type situation?
>
> I guess the question is: is there any warning or do you only get one
> detonation per engine rebuild?
>
> Thanks again,
> Carl
>
> Josh Colombo wrote:
>
> > Not that Sam is incorrect
> >
> >
> >
> > Here's a little more in depth definition.
> >
> >
> >
> > Detonation is a cause of pre-ignition. In a high boost turbo
case,
> > what happens is the air intake charge pressures become too high
and
> > too hot, and as the cylinder is compressing the air.....it ignites
> > before it's supposed to.
> >
> >
> >
> > If your spark plug is supposed to fire 20 degrees before top dead
> > center to ignite the mix, and the intake charge is too hot and too
> > much pressure before that, the mix will ignite by
itself....without
> > the spark plug....hence pre-ignition.
> >
> >
> >
> > As a result of pre-ignition, you have an explosion that is going
> > against what the rest of the engine is doing....and it's normal
> > rotation.......and you get detonation......and as Sam put
> > it.....BOOM.....and you could also get a thud and smash as
well......
> >
> >
> >
> > Josh
> >
> >
> >
> > ************************************
> >
> > Josh Colombo
> >
> > Josh@s... <mailto:Josh@s...>
> >
> >
> >
> > "Life, an ever-changing melody
> >
> > of beats and rhythm" - ME
> >
> > ************************************
> >
> > -----Original Message-----
> > From: Carl Andersen [mailto:cdanders@t...]
> > Sent: Saturday, May 11, 2002 5:55 PM
> > To: BC-BFLegacyWorks@y...
> > Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
> >
> > Can someone give me a deffinition of "detonation?"
> >
> > Thanks,
> > Carl
> >
> >
> > milehial2000 wrote:
> >
> >> You can get quite a bit but the problem is when you get above
> >> about 15
> >> lbs the discharge temp goes through the roof and detonation
is
> >> certain. I am running 15 lbs with a cold air intake and water
to air
> >> intercooler and I think I am probably close to the practical
limit.
> >> AL(CO)
> >>
> >>
> >>
> >> --- In BC-BFLegacyWorks@y <mailto:BC-BFLegacyWorks@y> ...,
Carl
> >> Andersen <cdanders@t...> <mailto:cdanders@t...> wrote:
> >> > Hey all,
> >> >
> >> > What is the highest boost anyone has achieved using the
stock
> >> turbo?
> >> >
> >> > Thanks,
> >> > Carl
> >> > 93 Touring Wagon
> >> >
> >> >
> >> > jason grahn wrote:
> >> >
> >> > >That guy should have one anyway, especially if he's going
to
> >> install a boost
> >> > >controller.
> >> > >
> >> > >I have two I'm selling, one Apexi and one GReddy. email me
off
> >> list
> >> if this
> >> > >guy needs one.
> >> > >
> >> > >-Jason
> >> > >
> >> > >>From: Carl Andersen <cdanders@t...>
<mailto:cdanders@t...>
> >> > >>
> >> > >
> >> > >>If a guy were to install a HBC would he need a boost
guage?
> >> > >>
> >> > >
> >> >
>_________________________________________________________________
> >> > >Join the world's largest e-mail service with MSN Hotmail.
> >> > >http://www.hotmail.com
> >> > >
> >> > >
> >> > >
> >> > >To unsubscribe from this group, please send an email to:
> >> > > BC-BFLegacyWorks-unsubscribe@e
> >> <mailto:BC-BFLegacyWorks-unsubscribe@e> ...
> >> > >
> >> > >
> >> > >
> >> > >Your use of Yahoo! Groups is subject to
> >> http://docs.yahoo.com/info/terms/
> >> > >
> >> > >
> >>
> >>
> >>
> >> To unsubscribe from this group, please send an email to:
> >> BC-BFLegacyWorks-unsubscribe@e...
> >> <mailto:BC-BFLegacyWorks-unsubscribe@e...>
> >>
> >>
> >>
> >> Your use of Yahoo! Groups is subject to the Yahoo! Terms of
> >> Service <http://docs.yahoo.com/info/terms/> .
> >
> >
> >
> >
> > ADVERTISEMENT
> >
<http://us.a1.yimg.com/us.yimg.com/a/ed/ ... 250_orange
_01.gif>
> >
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05064983:HM/A=1046314/R=1/*http://www.ediets.com/start.cfm?code=3225>
> >
> >
<http://rd.yahoo.com/M=194081.2053425.35 ... upweb/S=17
05064983:HM/A=1046314/R=2/*http://www.ediets.com/start.cfm?code=3225>
> >
> > Height: ft in
> > Weight:
> > Sex: F M
> >
> >
> > To unsubscribe from this group, please send an email to:
> > BC-BFLegacyWorks-unsubscribe@e...
> >
> >
> >
> > Your use of Yahoo! Groups is subject to the Yahoo! Terms of
Service
> > <http://docs.yahoo.com/info/terms/> .
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I headed out last night to meet up with some other car guys and then the
pub
Josh
************************************
Josh Colombo
Josh@surrealmirage.com <mailto:Josh@surrealmirage.com>
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: milehial2000 [mailto:acroxford@hypermall.net]
Sent: Saturday, May 11, 2002 11:18 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: 93 legacy
Hi Carl, Josh may have given up on us this evenimg. The term
detonation covers several things and they are also called ping, knock
ect. and it can happen for different reasons a small bit of burning
carbon left from a previous burn sometimes will just cause a small
preignition or backfire and probably do no harm a preignition from a
hot charge or high boost can cause damage at times, usually to a
piston and the last is when the charge is ignited just from heat and
pressure and the plug also ignites the top part of the charge and the
two flame fronts from top and bottom collide, this is the worst one
and can cause very high pressures in the chamber and can cause some
damage. But fortunatly most of the time our knock sensors can detect
this and retard the timing and protect the engine before things get
out of hand and this type of damage s fairly rare.
AL(CO)
--- In BC-BFLegacyWorks@y..., Carl Andersen <cdanders@t...> wrote:
> Thanks Josh,
>
> Is this normally a catastrophic problem creating massive oil slicks
and
> holes in the block? Or is it a backfire type situation?
>
> I guess the question is: is there any warning or do you only get one
> detonation per engine rebuild?
>
> Thanks again,
> Carl
>
> Josh Colombo wrote:
>
> > Not that Sam is incorrect
> >
> >
> >
> > Here's a little more in depth definition.
> >
> >
> >
> > Detonation is a cause of pre-ignition. In a high boost turbo
case,
> > what happens is the air intake charge pressures become too high
and
> > too hot, and as the cylinder is compressing the air.....it ignites
> > before it's supposed to.
> >
> >
> >
> > If your spark plug is supposed to fire 20 degrees before top dead
> > center to ignite the mix, and the intake charge is too hot and too
> > much pressure before that, the mix will ignite by
itself....without
> > the spark plug....hence pre-ignition.
> >
> >
> >
> > As a result of pre-ignition, you have an explosion that is going
> > against what the rest of the engine is doing....and it's normal
> > rotation.......and you get detonation......and as Sam put
> > it.....BOOM.....and you could also get a thud and smash as
well......
> >
> >
> >
> > Josh
> >
> >
> >
> > ************************************
> >
> > Josh Colombo
> >
> > Josh@s... <mailto:Josh@s...>
> >
> >
> >
> > "Life, an ever-changing melody
> >
> > of beats and rhythm" - ME
> >
> > ************************************
> >
> > -----Original Message-----
> > From: Carl Andersen [mailto:cdanders@t...]
> > Sent: Saturday, May 11, 2002 5:55 PM
> > To: BC-BFLegacyWorks@y...
> > Subject: Re: [BC-BFLegacyWorks] Re: 93 legacy
> >
> > Can someone give me a deffinition of "detonation?"
> >
> > Thanks,
> > Carl
> >
> >
> > milehial2000 wrote:
> >
> >> You can get quite a bit but the problem is when you get above
> >> about 15
> >> lbs the discharge temp goes through the roof and detonation
is
> >> certain. I am running 15 lbs with a cold air intake and water
to air
> >> intercooler and I think I am probably close to the practical
limit.
> >> AL(CO)
> >>
> >>
> >>
> >> --- In BC-BFLegacyWorks@y <mailto:BC-BFLegacyWorks@y> ...,
Carl
> >> Andersen <cdanders@t...> <mailto:cdanders@t...> wrote:
> >> > Hey all,
> >> >
> >> > What is the highest boost anyone has achieved using the
stock
> >> turbo?
> >> >
> >> > Thanks,
> >> > Carl
> >> > 93 Touring Wagon
> >> >
> >> >
> >> > jason grahn wrote:
> >> >
> >> > >That guy should have one anyway, especially if he's going
to
> >> install a boost
> >> > >controller.
> >> > >
> >> > >I have two I'm selling, one Apexi and one GReddy. email me
off
> >> list
> >> if this
> >> > >guy needs one.
> >> > >
> >> > >-Jason
> >> > >
> >> > >>From: Carl Andersen <cdanders@t...>
<mailto:cdanders@t...>
> >> > >>
> >> > >
> >> > >>If a guy were to install a HBC would he need a boost
guage?
> >> > >>
> >> > >
> >> >
>_________________________________________________________________
> >> > >Join the world's largest e-mail service with MSN Hotmail.
> >> > >http://www.hotmail.com
> >> > >
> >> > >
> >> > >
> >> > >To unsubscribe from this group, please send an email to:
> >> > > BC-BFLegacyWorks-unsubscribe@e
> >> <mailto:BC-BFLegacyWorks-unsubscribe@e> ...
> >> > >
> >> > >
> >> > >
> >> > >Your use of Yahoo! Groups is subject to
> >> http://docs.yahoo.com/info/terms/
> >> > >
> >> > >
> >>
> >>
> >>
> >> To unsubscribe from this group, please send an email to:
> >> BC-BFLegacyWorks-unsubscribe@e...
> >> <mailto:BC-BFLegacyWorks-unsubscribe@e...>
> >>
> >>
> >>
> >> Your use of Yahoo! Groups is subject to the Yahoo! Terms of
> >> Service <http://docs.yahoo.com/info/terms/> .
> >
> >
> >
> >
> > ADVERTISEMENT
> >
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_01.gif>
> >
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> >
> >
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> >
> > Height: ft in
> > Weight:
> > Sex: F M
> >
> >
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> > BC-BFLegacyWorks-unsubscribe@e...
> >
> >
> >
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Toby Corkindale
93 legacy
With most turbos you know you've reached the effective maximum pressure when
further boost is just heat expansion of the air. That's why you can get
better performance from an upgraded turbo, at the same boost. (Assuming
boost levels higher than standard).. because then the boost is genuine
airflow, not just extremely hot air which you're fighting to cool down with
the intercooler.
Toby
On Sat, 11 May 2002, milehial2000 wrote:
> You can get quite a bit but the problem is when you get above about 15
> lbs the discharge temp goes through the roof and detonation is
> certain. I am running 15 lbs with a cold air intake and water to air
> intercooler and I think I am probably close to the practical limit.
> AL(CO)
>
>
>
> --- In BC-BFLegacyWorks@y..., Carl Andersen <cdanders@t...> wrote:
> > Hey all,
> >
> > What is the highest boost anyone has achieved using the stock turbo?
> >
> > Thanks,
> > Carl
> > 93 Touring Wagon
> >
> >
> > jason grahn wrote:
> >
> > >That guy should have one anyway, especially if he's going to
> install a boost
> > >controller.
> > >
> > >I have two I'm selling, one Apexi and one GReddy. email me off list
> if this
> > >guy needs one.
> > >
> > >-Jason
> > >
> > >>From: Carl Andersen <cdanders@t...>
> > >>
> > >
> > >>If a guy were to install a HBC would he need a boost guage?
> > >>
> > >
> > >_________________________________________________________________
> > >Join the world's largest e-mail service with MSN Hotmail.
> > >http://www.hotmail.com
> > >
> > >
> > >
> > >To unsubscribe from this group, please send an email to:
> > >BC-BFLegacyWorks-unsubscribe@e...
> > >
> > >
> > >
> > >Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
>
>
>
> To unsubscribe from this group, please send an email to:
> BC-BFLegacyWorks-unsubscribe@egroups.com
>
>
>
>
>
>
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further boost is just heat expansion of the air. That's why you can get
better performance from an upgraded turbo, at the same boost. (Assuming
boost levels higher than standard).. because then the boost is genuine
airflow, not just extremely hot air which you're fighting to cool down with
the intercooler.
Toby
On Sat, 11 May 2002, milehial2000 wrote:
> You can get quite a bit but the problem is when you get above about 15
> lbs the discharge temp goes through the roof and detonation is
> certain. I am running 15 lbs with a cold air intake and water to air
> intercooler and I think I am probably close to the practical limit.
> AL(CO)
>
>
>
> --- In BC-BFLegacyWorks@y..., Carl Andersen <cdanders@t...> wrote:
> > Hey all,
> >
> > What is the highest boost anyone has achieved using the stock turbo?
> >
> > Thanks,
> > Carl
> > 93 Touring Wagon
> >
> >
> > jason grahn wrote:
> >
> > >That guy should have one anyway, especially if he's going to
> install a boost
> > >controller.
> > >
> > >I have two I'm selling, one Apexi and one GReddy. email me off list
> if this
> > >guy needs one.
> > >
> > >-Jason
> > >
> > >>From: Carl Andersen <cdanders@t...>
> > >>
> > >
> > >>If a guy were to install a HBC would he need a boost guage?
> > >>
> > >
> > >_________________________________________________________________
> > >Join the world's largest e-mail service with MSN Hotmail.
> > >http://www.hotmail.com
> > >
> > >
> > >
> > >To unsubscribe from this group, please send an email to:
> > >BC-BFLegacyWorks-unsubscribe@e...
> > >
> > >
> > >
> > >Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
>
>
>
> To unsubscribe from this group, please send an email to:
> BC-BFLegacyWorks-unsubscribe@egroups.com
>
>
>
>
>
>
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-
Toby Corkindale
93 legacy
Unfortunately, the knock sensors don't operate at higher RPM, like over
4000rpm or so.. Which is also where you're most likely to be seeing
detonation from high boost, i'd expect.
One ping isn't going to destroy your engine, but it doesn't take many to
wreck it. And they tend to happen all at once when you're experimenting with
high boost.
I've seen a friend blow a motor in about 1500 metres with too much boost,
due to the high temperature of the intake charge more than anything else.
The car went really fast for a kilometer or so though first!
The other problem with high boost on the stock turbo which no-one else is
mentioning, is that you can develop huge amounts of backpressure between the
engine head's outlets and the turbo. This can stop the cylinders from being
scavenged properly, so there's still hot exhaust gasses in them when the
next intake cycle starts! Also, if you've reached this point then your
engine's primary power is effectively driving the turbo, rather than the
exhaust gas temp.. This hugely reduces the efficiency of the whole
combination.
Toby
On Sun, 12 May 2002, milehial2000 wrote:
> Hi Carl, Josh may have given up on us this evenimg. The term
> detonation covers several things and they are also called ping, knock
> ect. and it can happen for different reasons a small bit of burning
> carbon left from a previous burn sometimes will just cause a small
> preignition or backfire and probably do no harm a preignition from a
> hot charge or high boost can cause damage at times, usually to a
> piston and the last is when the charge is ignited just from heat and
> pressure and the plug also ignites the top part of the charge and the
> two flame fronts from top and bottom collide, this is the worst one
> and can cause very high pressures in the chamber and can cause some
> damage. But fortunatly most of the time our knock sensors can detect
> this and retard the timing and protect the engine before things get
> out of hand and this type of damage s fairly rare.
> AL(CO)
>
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4000rpm or so.. Which is also where you're most likely to be seeing
detonation from high boost, i'd expect.
One ping isn't going to destroy your engine, but it doesn't take many to
wreck it. And they tend to happen all at once when you're experimenting with
high boost.
I've seen a friend blow a motor in about 1500 metres with too much boost,
due to the high temperature of the intake charge more than anything else.
The car went really fast for a kilometer or so though first!
The other problem with high boost on the stock turbo which no-one else is
mentioning, is that you can develop huge amounts of backpressure between the
engine head's outlets and the turbo. This can stop the cylinders from being
scavenged properly, so there's still hot exhaust gasses in them when the
next intake cycle starts! Also, if you've reached this point then your
engine's primary power is effectively driving the turbo, rather than the
exhaust gas temp.. This hugely reduces the efficiency of the whole
combination.
Toby
On Sun, 12 May 2002, milehial2000 wrote:
> Hi Carl, Josh may have given up on us this evenimg. The term
> detonation covers several things and they are also called ping, knock
> ect. and it can happen for different reasons a small bit of burning
> carbon left from a previous burn sometimes will just cause a small
> preignition or backfire and probably do no harm a preignition from a
> hot charge or high boost can cause damage at times, usually to a
> piston and the last is when the charge is ignited just from heat and
> pressure and the plug also ignites the top part of the charge and the
> two flame fronts from top and bottom collide, this is the worst one
> and can cause very high pressures in the chamber and can cause some
> damage. But fortunatly most of the time our knock sensors can detect
> this and retard the timing and protect the engine before things get
> out of hand and this type of damage s fairly rare.
> AL(CO)
>
------------------------ ---------------------~-->
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-
milehial2000
93 legacy
I have noticed that about the knock sensors the same thing seems to
plague all engines because I have seen test results on DSM and a few
others. One thing that is happening at about 5000 rpm it that the
frequency of the engine is close to that of a knock and that
unfortunatly is what the knock sensor is designed to pick up so it is
rather useless. The best thing is to be careful when raising boost
above stock limits and then watch the fuel supply and engine
maintenance. I have been running 15 lbs boost on a EJ22t for some time
with a water to air intercooler and a cold air intake and am fitting a
TD05 turbo before going much higher.
AL(CO)
--- In BC-BFLegacyWorks@y..., Toby Corkindale <tjcorkin@s...> wrote:
> Unfortunately, the knock sensors don't operate at higher RPM, like
over
> 4000rpm or so.. Which is also where you're most likely to be seeing
> detonation from high boost, i'd expect.
>
> One ping isn't going to destroy your engine, but it doesn't take
many to
> wreck it. And they tend to happen all at once when you're
experimenting with
> high boost.
>
> I've seen a friend blow a motor in about 1500 metres with too much
boost,
> due to the high temperature of the intake charge more than anything
else.
>
> The car went really fast for a kilometer or so though first!
>
>
> The other problem with high boost on the stock turbo which no-one
else is
> mentioning, is that you can develop huge amounts of backpressure
between the
> engine head's outlets and the turbo. This can stop the cylinders
from being
> scavenged properly, so there's still hot exhaust gasses in them when
the
> next intake cycle starts! Also, if you've reached this point then
your
> engine's primary power is effectively driving the turbo, rather than
the
> exhaust gas temp.. This hugely reduces the efficiency of the whole
> combination.
>
>
> Toby
>
> On Sun, 12 May 2002, milehial2000 wrote:
>
> > Hi Carl, Josh may have given up on us this evenimg. The term
> > detonation covers several things and they are also called ping,
knock
> > ect. and it can happen for different reasons a small bit of
burning
> > carbon left from a previous burn sometimes will just cause a small
> > preignition or backfire and probably do no harm a preignition from
a
> > hot charge or high boost can cause damage at times, usually to a
> > piston and the last is when the charge is ignited just from heat
and
> > pressure and the plug also ignites the top part of the charge and
the
> > two flame fronts from top and bottom collide, this is the worst
one
> > and can cause very high pressures in the chamber and can cause
some
> > damage. But fortunatly most of the time our knock sensors can
detect
> > this and retard the timing and protect the engine before things
get
> > out of hand and this type of damage s fairly rare.
> > AL(CO)
> >
------------------------ ---------------------~-->
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plague all engines because I have seen test results on DSM and a few
others. One thing that is happening at about 5000 rpm it that the
frequency of the engine is close to that of a knock and that
unfortunatly is what the knock sensor is designed to pick up so it is
rather useless. The best thing is to be careful when raising boost
above stock limits and then watch the fuel supply and engine
maintenance. I have been running 15 lbs boost on a EJ22t for some time
with a water to air intercooler and a cold air intake and am fitting a
TD05 turbo before going much higher.
AL(CO)
--- In BC-BFLegacyWorks@y..., Toby Corkindale <tjcorkin@s...> wrote:
> Unfortunately, the knock sensors don't operate at higher RPM, like
over
> 4000rpm or so.. Which is also where you're most likely to be seeing
> detonation from high boost, i'd expect.
>
> One ping isn't going to destroy your engine, but it doesn't take
many to
> wreck it. And they tend to happen all at once when you're
experimenting with
> high boost.
>
> I've seen a friend blow a motor in about 1500 metres with too much
boost,
> due to the high temperature of the intake charge more than anything
else.
>
> The car went really fast for a kilometer or so though first!
>
>
> The other problem with high boost on the stock turbo which no-one
else is
> mentioning, is that you can develop huge amounts of backpressure
between the
> engine head's outlets and the turbo. This can stop the cylinders
from being
> scavenged properly, so there's still hot exhaust gasses in them when
the
> next intake cycle starts! Also, if you've reached this point then
your
> engine's primary power is effectively driving the turbo, rather than
the
> exhaust gas temp.. This hugely reduces the efficiency of the whole
> combination.
>
>
> Toby
>
> On Sun, 12 May 2002, milehial2000 wrote:
>
> > Hi Carl, Josh may have given up on us this evenimg. The term
> > detonation covers several things and they are also called ping,
knock
> > ect. and it can happen for different reasons a small bit of
burning
> > carbon left from a previous burn sometimes will just cause a small
> > preignition or backfire and probably do no harm a preignition from
a
> > hot charge or high boost can cause damage at times, usually to a
> > piston and the last is when the charge is ignited just from heat
and
> > pressure and the plug also ignites the top part of the charge and
the
> > two flame fronts from top and bottom collide, this is the worst
one
> > and can cause very high pressures in the chamber and can cause
some
> > damage. But fortunatly most of the time our knock sensors can
detect
> > this and retard the timing and protect the engine before things
get
> > out of hand and this type of damage s fairly rare.
> > AL(CO)
> >
------------------------ ---------------------~-->
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and no minimums.
FREE Money 2002.
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