I was once an uneducated armchair proponent of putting EJ25 quad cam heads on the EJ22T, until Larry Witherspoon shared his experience on this bulletin board.
For those outside the US and those who don't know, The EJ22T USA Turbo engine is one of the most bulletproof closed-deck purpose-built engines ever built by Subaru, but they capped it with SOHC heads, with four valves per cylinder and hydraulic lifters (cam followers). A bottem end to die for capped by heads that don't breathe or rev as well as they could. So here is my question....What is the ultimate performance modification to our heads? Who does it? Exactly how does it differ from stock? How much does it cost?
Bill Robinson
92 Turbo 5-speed sedan with a few mods.
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Perfect head for EJ22T
Moderators: Helpinators, Moderators
-
milehial2000
Perfect head for EJ22T
I would have to say that the new US WRX heads would be the best I have
seen but they could be better with some some porting and polishing. We
installed a EJ22t short block in a WRX with an engine damaged due to
overboost and now it is hitting 8200 rpm and is still pulling. Most
others will float the valves at 7200-7300 including mine. I do have a
set of roller type rocker arms for my engine to try but do not expect
any results like the WRX heads.(I sure wish I could find a set of
them)AL(CO)
--- In BC-BFLegacyWorks@y..., "William D. Robinson" <vultureboy@m...>
wrote:
> I was once an uneducated armchair proponent of putting EJ25 quad cam
heads on the EJ22T, until Larry Witherspoon shared his experience on
this bulletin board.
>
> For those outside the US and those who don't know, The EJ22T USA
Turbo engine is one of the most bulletproof closed-deck purpose-built
engines ever built by Subaru, but they capped it with SOHC heads, with
four valves per cylinder and hydraulic lifters (cam followers). A
bottem end to die for capped by heads that don't breathe or rev as
well as they could. So here is my question....What is the ultimate
performance modification to our heads? Who does it? Exactly how does
it differ from stock? How much does it cost?
>
> Bill Robinson
> 92 Turbo 5-speed sedan with a few mods.
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
seen but they could be better with some some porting and polishing. We
installed a EJ22t short block in a WRX with an engine damaged due to
overboost and now it is hitting 8200 rpm and is still pulling. Most
others will float the valves at 7200-7300 including mine. I do have a
set of roller type rocker arms for my engine to try but do not expect
any results like the WRX heads.(I sure wish I could find a set of
them)AL(CO)
--- In BC-BFLegacyWorks@y..., "William D. Robinson" <vultureboy@m...>
wrote:
> I was once an uneducated armchair proponent of putting EJ25 quad cam
heads on the EJ22T, until Larry Witherspoon shared his experience on
this bulletin board.
>
> For those outside the US and those who don't know, The EJ22T USA
Turbo engine is one of the most bulletproof closed-deck purpose-built
engines ever built by Subaru, but they capped it with SOHC heads, with
four valves per cylinder and hydraulic lifters (cam followers). A
bottem end to die for capped by heads that don't breathe or rev as
well as they could. So here is my question....What is the ultimate
performance modification to our heads? Who does it? Exactly how does
it differ from stock? How much does it cost?
>
> Bill Robinson
> 92 Turbo 5-speed sedan with a few mods.
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
-
Josh Colombo
Perfect head for EJ22T
Do the new WRX heads have the same coolant passage line-ups as the EJ22T block?
************************************
Josh Colombo
Josh@surrealmirage.com <mailto:Josh@surrealmirage.com> **NEW**
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: milehial2000 [mailto:acroxford@hypermall.net]
Sent: Saturday, January 19, 2002 5:26 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
I would have to say that the new US WRX heads would be the best I have
seen but they could be better with some some porting and polishing. We
installed a EJ22t short block in a WRX with an engine damaged due to
overboost and now it is hitting 8200 rpm and is still pulling. Most
others will float the valves at 7200-7300 including mine. I do have a
set of roller type rocker arms for my engine to try but do not expect
any results like the WRX heads.(I sure wish I could find a set of
them)AL(CO)
--- In BC-BFLegacyWorks@y..., "William D. Robinson" <vultureboy@m...>
wrote:
> I was once an uneducated armchair proponent of putting EJ25 quad cam
heads on the EJ22T, until Larry Witherspoon shared his experience on
this bulletin board.
>
> For those outside the US and those who don't know, The EJ22T USA
Turbo engine is one of the most bulletproof closed-deck purpose-built
engines ever built by Subaru, but they capped it with SOHC heads, with
four valves per cylinder and hydraulic lifters (cam followers). A
bottem end to die for capped by heads that don't breathe or rev as
well as they could. So here is my question....What is the ultimate
performance modification to our heads? Who does it? Exactly how does
it differ from stock? How much does it cost?
>
> Bill Robinson
> 92 Turbo 5-speed sedan with a few mods.
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************************************
Josh Colombo
Josh@surrealmirage.com <mailto:Josh@surrealmirage.com> **NEW**
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: milehial2000 [mailto:acroxford@hypermall.net]
Sent: Saturday, January 19, 2002 5:26 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
I would have to say that the new US WRX heads would be the best I have
seen but they could be better with some some porting and polishing. We
installed a EJ22t short block in a WRX with an engine damaged due to
overboost and now it is hitting 8200 rpm and is still pulling. Most
others will float the valves at 7200-7300 including mine. I do have a
set of roller type rocker arms for my engine to try but do not expect
any results like the WRX heads.(I sure wish I could find a set of
them)AL(CO)
--- In BC-BFLegacyWorks@y..., "William D. Robinson" <vultureboy@m...>
wrote:
> I was once an uneducated armchair proponent of putting EJ25 quad cam
heads on the EJ22T, until Larry Witherspoon shared his experience on
this bulletin board.
>
> For those outside the US and those who don't know, The EJ22T USA
Turbo engine is one of the most bulletproof closed-deck purpose-built
engines ever built by Subaru, but they capped it with SOHC heads, with
four valves per cylinder and hydraulic lifters (cam followers). A
bottem end to die for capped by heads that don't breathe or rev as
well as they could. So here is my question....What is the ultimate
performance modification to our heads? Who does it? Exactly how does
it differ from stock? How much does it cost?
>
> Bill Robinson
> 92 Turbo 5-speed sedan with a few mods.
To unsubscribe from this group, please send an email to:
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-
milehial2000
Perfect head for EJ22T
Sure do they bolt right on all we did is O-ring the block
for some insurance.
--- In BC-BFLegacyWorks@y..., "Josh Colombo" <josh@s...> wrote:
> Do the new WRX heads have the same coolant passage line-ups as the
EJ22T block?
>
> ************************************
> Josh Colombo
> Josh@s... <mailto:Josh@s...> **NEW**
>
> "Life, an ever-changing melody
> of beats and rhythm" - ME
> ************************************
>
>
> -----Original Message-----
> From: milehial2000 [mailto:acroxford@h...]
> Sent: Saturday, January 19, 2002 5:26 PM
> To: BC-BFLegacyWorks@y...
> Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
>
>
> I would have to say that the new US WRX heads would be the best I
have
> seen but they could be better with some some porting and polishing.
We
> installed a EJ22t short block in a WRX with an engine damaged due to
> overboost and now it is hitting 8200 rpm and is still pulling. Most
> others will float the valves at 7200-7300 including mine. I do have
a
> set of roller type rocker arms for my engine to try but do not
expect
> any results like the WRX heads.(I sure wish I could find a set of
> them)AL(CO)
>
>
>
> --- In BC-BFLegacyWorks@y..., "William D. Robinson"
<vultureboy@m...>
> wrote:
> > I was once an uneducated armchair proponent of putting EJ25 quad
cam
> heads on the EJ22T, until Larry Witherspoon shared his experience on
> this bulletin board.
> >
> > For those outside the US and those who don't know, The EJ22T USA
> Turbo engine is one of the most bulletproof closed-deck
purpose-built
> engines ever built by Subaru, but they capped it with SOHC heads,
with
> four valves per cylinder and hydraulic lifters (cam followers). A
> bottem end to die for capped by heads that don't breathe or rev as
> well as they could. So here is my question....What is the ultimate
> performance modification to our heads? Who does it? Exactly how
does
> it differ from stock? How much does it cost?
> >
> > Bill Robinson
> > 92 Turbo 5-speed sedan with a few mods.
>
>
> 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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for some insurance.
--- In BC-BFLegacyWorks@y..., "Josh Colombo" <josh@s...> wrote:
> Do the new WRX heads have the same coolant passage line-ups as the
EJ22T block?
>
> ************************************
> Josh Colombo
> Josh@s... <mailto:Josh@s...> **NEW**
>
> "Life, an ever-changing melody
> of beats and rhythm" - ME
> ************************************
>
>
> -----Original Message-----
> From: milehial2000 [mailto:acroxford@h...]
> Sent: Saturday, January 19, 2002 5:26 PM
> To: BC-BFLegacyWorks@y...
> Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
>
>
> I would have to say that the new US WRX heads would be the best I
have
> seen but they could be better with some some porting and polishing.
We
> installed a EJ22t short block in a WRX with an engine damaged due to
> overboost and now it is hitting 8200 rpm and is still pulling. Most
> others will float the valves at 7200-7300 including mine. I do have
a
> set of roller type rocker arms for my engine to try but do not
expect
> any results like the WRX heads.(I sure wish I could find a set of
> them)AL(CO)
>
>
>
> --- In BC-BFLegacyWorks@y..., "William D. Robinson"
<vultureboy@m...>
> wrote:
> > I was once an uneducated armchair proponent of putting EJ25 quad
cam
> heads on the EJ22T, until Larry Witherspoon shared his experience on
> this bulletin board.
> >
> > For those outside the US and those who don't know, The EJ22T USA
> Turbo engine is one of the most bulletproof closed-deck
purpose-built
> engines ever built by Subaru, but they capped it with SOHC heads,
with
> four valves per cylinder and hydraulic lifters (cam followers). A
> bottem end to die for capped by heads that don't breathe or rev as
> well as they could. So here is my question....What is the ultimate
> performance modification to our heads? Who does it? Exactly how
does
> it differ from stock? How much does it cost?
> >
> > Bill Robinson
> > 92 Turbo 5-speed sedan with a few mods.
>
>
> 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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It's Easy. It's Fun. - Free Download.
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---------------------------------------------------------------------~->
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-
Josh Colombo
Perfect head for EJ22T
O-ring the block? what do you mean?
Looks like I'll have to keep those heads in mind when the legacy decides it needs to be reworked
************************************
Josh Colombo
Josh@surrealmirage.com <mailto:Josh@surrealmirage.com> **NEW**
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: milehial2000 [mailto:acroxford@hypermall.net]
Sent: Saturday, January 19, 2002 7:15 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
Sure do they bolt right on all we did is O-ring the block
for some insurance.
--- In BC-BFLegacyWorks@y..., "Josh Colombo" <josh@s...> wrote:
> Do the new WRX heads have the same coolant passage line-ups as the
EJ22T block?
>
> ************************************
> Josh Colombo
> Josh@s... <mailto:Josh@s...> **NEW**
>
> "Life, an ever-changing melody
> of beats and rhythm" - ME
> ************************************
>
>
> -----Original Message-----
> From: milehial2000 [mailto:acroxford@h...]
> Sent: Saturday, January 19, 2002 5:26 PM
> To: BC-BFLegacyWorks@y...
> Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
>
>
> I would have to say that the new US WRX heads would be the best I
have
> seen but they could be better with some some porting and polishing.
We
> installed a EJ22t short block in a WRX with an engine damaged due to
> overboost and now it is hitting 8200 rpm and is still pulling. Most
> others will float the valves at 7200-7300 including mine. I do have
a
> set of roller type rocker arms for my engine to try but do not
expect
> any results like the WRX heads.(I sure wish I could find a set of
> them)AL(CO)
>
>
>
> --- In BC-BFLegacyWorks@y..., "William D. Robinson"
<vultureboy@m...>
> wrote:
> > I was once an uneducated armchair proponent of putting EJ25 quad
cam
> heads on the EJ22T, until Larry Witherspoon shared his experience on
> this bulletin board.
> >
> > For those outside the US and those who don't know, The EJ22T USA
> Turbo engine is one of the most bulletproof closed-deck
purpose-built
> engines ever built by Subaru, but they capped it with SOHC heads,
with
> four valves per cylinder and hydraulic lifters (cam followers). A
> bottem end to die for capped by heads that don't breathe or rev as
> well as they could. So here is my question....What is the ultimate
> performance modification to our heads? Who does it? Exactly how
does
> it differ from stock? How much does it cost?
> >
> > Bill Robinson
> > 92 Turbo 5-speed sedan with a few mods.
>
>
> 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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---------------------------------------------------------------------~->
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Looks like I'll have to keep those heads in mind when the legacy decides it needs to be reworked
************************************
Josh Colombo
Josh@surrealmirage.com <mailto:Josh@surrealmirage.com> **NEW**
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: milehial2000 [mailto:acroxford@hypermall.net]
Sent: Saturday, January 19, 2002 7:15 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
Sure do they bolt right on all we did is O-ring the block
for some insurance.
--- In BC-BFLegacyWorks@y..., "Josh Colombo" <josh@s...> wrote:
> Do the new WRX heads have the same coolant passage line-ups as the
EJ22T block?
>
> ************************************
> Josh Colombo
> Josh@s... <mailto:Josh@s...> **NEW**
>
> "Life, an ever-changing melody
> of beats and rhythm" - ME
> ************************************
>
>
> -----Original Message-----
> From: milehial2000 [mailto:acroxford@h...]
> Sent: Saturday, January 19, 2002 5:26 PM
> To: BC-BFLegacyWorks@y...
> Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
>
>
> I would have to say that the new US WRX heads would be the best I
have
> seen but they could be better with some some porting and polishing.
We
> installed a EJ22t short block in a WRX with an engine damaged due to
> overboost and now it is hitting 8200 rpm and is still pulling. Most
> others will float the valves at 7200-7300 including mine. I do have
a
> set of roller type rocker arms for my engine to try but do not
expect
> any results like the WRX heads.(I sure wish I could find a set of
> them)AL(CO)
>
>
>
> --- In BC-BFLegacyWorks@y..., "William D. Robinson"
<vultureboy@m...>
> wrote:
> > I was once an uneducated armchair proponent of putting EJ25 quad
cam
> heads on the EJ22T, until Larry Witherspoon shared his experience on
> this bulletin board.
> >
> > For those outside the US and those who don't know, The EJ22T USA
> Turbo engine is one of the most bulletproof closed-deck
purpose-built
> engines ever built by Subaru, but they capped it with SOHC heads,
with
> four valves per cylinder and hydraulic lifters (cam followers). A
> bottem end to die for capped by heads that don't breathe or rev as
> well as they could. So here is my question....What is the ultimate
> performance modification to our heads? Who does it? Exactly how
does
> it differ from stock? How much does it cost?
> >
> > Bill Robinson
> > 92 Turbo 5-speed sedan with a few mods.
>
>
> 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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-
milehial2000
Perfect head for EJ22T
We have a tool that cuts a groove in the block around the cylinder and
then a small copper ring is placed in the groove. It is taller than
the groove is deep so that when the head is tightened down it
"crushes" the copper ring and gives a better seal. I would imagine
that these heads will be scarce for some time just because they work
well and the only way I see a pair being available on the used market
is an accident where the engine block is damaged. (could happen I am
watching)
AL(CO)
--- In BC-BFLegacyWorks@y..., "Josh Colombo" <josh@s...> wrote:
> O-ring the block? what do you mean?
>
> Looks like I'll have to keep those heads in mind when the legacy
decides it needs to be reworked
>
> ************************************
> Josh Colombo
> Josh@s... <mailto:Josh@s...> **NEW**
>
> "Life, an ever-changing melody
> of beats and rhythm" - ME
> ************************************
>
>
> -----Original Message-----
> From: milehial2000 [mailto:acroxford@h...]
> Sent: Saturday, January 19, 2002 7:15 PM
> To: BC-BFLegacyWorks@y...
> Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
>
>
> Sure do they bolt right on all we did is O-ring the block
> for some insurance.
>
>
> --- In BC-BFLegacyWorks@y..., "Josh Colombo" <josh@s...> wrote:
> > Do the new WRX heads have the same coolant passage line-ups as the
> EJ22T block?
> >
> > ************************************
> > Josh Colombo
> > Josh@s... <mailto:Josh@s...> **NEW**
> >
> > "Life, an ever-changing melody
> > of beats and rhythm" - ME
> > ************************************
> >
> >
> > -----Original Message-----
> > From: milehial2000 [mailto:acroxford@h...]
> > Sent: Saturday, January 19, 2002 5:26 PM
> > To: BC-BFLegacyWorks@y...
> > Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
> >
> >
> > I would have to say that the new US WRX heads would be the best I
> have
> > seen but they could be better with some some porting and
polishing.
> We
> > installed a EJ22t short block in a WRX with an engine damaged due
to
> > overboost and now it is hitting 8200 rpm and is still pulling.
Most
> > others will float the valves at 7200-7300 including mine. I do
have
> a
> > set of roller type rocker arms for my engine to try but do not
> expect
> > any results like the WRX heads.(I sure wish I could find a set of
> > them)AL(CO)
> >
> >
> >
> > --- In BC-BFLegacyWorks@y..., "William D. Robinson"
> <vultureboy@m...>
> > wrote:
> > > I was once an uneducated armchair proponent of putting EJ25 quad
> cam
> > heads on the EJ22T, until Larry Witherspoon shared his experience
on
> > this bulletin board.
> > >
> > > For those outside the US and those who don't know, The EJ22T USA
> > Turbo engine is one of the most bulletproof closed-deck
> purpose-built
> > engines ever built by Subaru, but they capped it with SOHC heads,
> with
> > four valves per cylinder and hydraulic lifters (cam followers). A
> > bottem end to die for capped by heads that don't breathe or rev as
> > well as they could. So here is my question....What is the
ultimate
> > performance modification to our heads? Who does it? Exactly how
> does
> > it differ from stock? How much does it cost?
> > >
> > > Bill Robinson
> > > 92 Turbo 5-speed sedan with a few mods.
> >
> >
> > 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@e...
>
>
>
> Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
------------------------ ---------------------~-->
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then a small copper ring is placed in the groove. It is taller than
the groove is deep so that when the head is tightened down it
"crushes" the copper ring and gives a better seal. I would imagine
that these heads will be scarce for some time just because they work
well and the only way I see a pair being available on the used market
is an accident where the engine block is damaged. (could happen I am
watching)
AL(CO)
--- In BC-BFLegacyWorks@y..., "Josh Colombo" <josh@s...> wrote:
> O-ring the block? what do you mean?
>
> Looks like I'll have to keep those heads in mind when the legacy
decides it needs to be reworked
>
> ************************************
> Josh Colombo
> Josh@s... <mailto:Josh@s...> **NEW**
>
> "Life, an ever-changing melody
> of beats and rhythm" - ME
> ************************************
>
>
> -----Original Message-----
> From: milehial2000 [mailto:acroxford@h...]
> Sent: Saturday, January 19, 2002 7:15 PM
> To: BC-BFLegacyWorks@y...
> Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
>
>
> Sure do they bolt right on all we did is O-ring the block
> for some insurance.
>
>
> --- In BC-BFLegacyWorks@y..., "Josh Colombo" <josh@s...> wrote:
> > Do the new WRX heads have the same coolant passage line-ups as the
> EJ22T block?
> >
> > ************************************
> > Josh Colombo
> > Josh@s... <mailto:Josh@s...> **NEW**
> >
> > "Life, an ever-changing melody
> > of beats and rhythm" - ME
> > ************************************
> >
> >
> > -----Original Message-----
> > From: milehial2000 [mailto:acroxford@h...]
> > Sent: Saturday, January 19, 2002 5:26 PM
> > To: BC-BFLegacyWorks@y...
> > Subject: [BC-BFLegacyWorks] Re: Perfect head for EJ22T
> >
> >
> > I would have to say that the new US WRX heads would be the best I
> have
> > seen but they could be better with some some porting and
polishing.
> We
> > installed a EJ22t short block in a WRX with an engine damaged due
to
> > overboost and now it is hitting 8200 rpm and is still pulling.
Most
> > others will float the valves at 7200-7300 including mine. I do
have
> a
> > set of roller type rocker arms for my engine to try but do not
> expect
> > any results like the WRX heads.(I sure wish I could find a set of
> > them)AL(CO)
> >
> >
> >
> > --- In BC-BFLegacyWorks@y..., "William D. Robinson"
> <vultureboy@m...>
> > wrote:
> > > I was once an uneducated armchair proponent of putting EJ25 quad
> cam
> > heads on the EJ22T, until Larry Witherspoon shared his experience
on
> > this bulletin board.
> > >
> > > For those outside the US and those who don't know, The EJ22T USA
> > Turbo engine is one of the most bulletproof closed-deck
> purpose-built
> > engines ever built by Subaru, but they capped it with SOHC heads,
> with
> > four valves per cylinder and hydraulic lifters (cam followers). A
> > bottem end to die for capped by heads that don't breathe or rev as
> > well as they could. So here is my question....What is the
ultimate
> > performance modification to our heads? Who does it? Exactly how
> does
> > it differ from stock? How much does it cost?
> > >
> > > Bill Robinson
> > > 92 Turbo 5-speed sedan with a few mods.
> >
> >
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> >
> >
> >
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