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 Post subject: Dyno tuned the 91 SS
PostPosted: Thu Dec 17, 2009 12:49 am 
Third Gear
Joined: Wed Aug 22, 2007 9:27 pm
Posts: 787
Location: Denver, CO
I got my 91 SS dyno tuned by Harvey at The Boost Creep Ltd.

This is on a stock longblock with 230K and crappy 22t heads.
I'm running the vf39 with 550cc injectors at 17psi tuned with the pp6.

Made 270ftlbs and 240hp...the torque is expected but hp seems good for the heads.

Image

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01 Impreza | v6 STi RA | 5mt | ej236t
93 Legacy Turbo | TW | 4eat | ej22t
16 WRX | 6mt | fa20
98 Legacy GT | wagon | 5mt | ej25d


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PostPosted: Thu Dec 17, 2009 12:53 am 
Knowledgeable
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Nice!

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PostPosted: Thu Dec 17, 2009 1:05 am 
Fifth Gear
Joined: Wed Jan 18, 2006 7:56 am
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Location: Orlando, FL
Wow... Those are some really good numbers!

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PostPosted: Thu Dec 17, 2009 5:13 am 
Fourth Gear
Joined: Tue Jan 06, 2009 5:06 am
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Location: Renton, WA
Very nice! So you just have a stock ej22t with a new turbo at 17psi? I'm just asking because that seems too good to me for that.


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PostPosted: Thu Dec 17, 2009 7:01 am 
Fifth Gear
Joined: Tue Jan 25, 2005 9:14 pm
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Location: Twin Cities, MN
Those numbers seem reasonable. The 22T heads are capable of making some power. Just not as much as other options.




I was making around 300 with the 2871R and Delta cams.

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PostPosted: Thu Dec 17, 2009 7:50 am 
Fifth Gear
Joined: Mon Oct 16, 2006 9:44 pm
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Location: Toronto,ON Canada
That's awesome. Guys remember dyno results vary from dyno to dyno.

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PostPosted: Thu Dec 17, 2009 5:57 pm 
Third Gear
Joined: Wed Aug 22, 2007 9:27 pm
Posts: 787
Location: Denver, CO
I am running the 550cc Sti injectors, which allow the good match for the vf39. I also have a ton of other mods, but those are mostly supporting and don't have much to do with the power output.

The dyno this was done on is comparable to the other shops in the mile high area.

I am super happy with this setup for the moment. The car feels pretty fast. I was making 240tq and 180hp with the td04 at 16psi, so it's a good increase for just the vf39.

This gives me some time to enjoy this power while I build my 2.35L stroker. I will be starting a build thread for that shortly.

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maciek puszynski

01 Impreza | v6 STi RA | 5mt | ej236t
93 Legacy Turbo | TW | 4eat | ej22t
16 WRX | 6mt | fa20
98 Legacy GT | wagon | 5mt | ej25d


2.36L Turbo - RSTi Build


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PostPosted: Thu Dec 17, 2009 6:45 pm 
Fifth Gear
Joined: Mon Oct 16, 2006 9:44 pm
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Location: Toronto,ON Canada
macipusy wrote:
I am running the 550cc Sti injectors, which allow the good match for the vf39. I also have a ton of other mods, but those are mostly supporting and don't have much to do with the power output.

The dyno this was done on is comparable to the other shops in the mile high area.

I am super happy with this setup for the moment. The car feels pretty fast. I was making 240tq and 180hp with the td04 at 16psi, so it's a good increase for just the vf39.

This gives me some time to enjoy this power while I build my 2.35L stroker. I will be starting a build thread for that shortly.


This is exactly what I was questioning was comparing the td04 to the vf39 performance. I will definitely be looking into larger turbo upgrades and injectors for the future when revtronix releases a fully tuneable chip. ATM with the td04 on a auto i am pretty happy as the torque does a good job, if my car was stick would probably want the hp too. Actually I want the HP and torque no matter what :D

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PostPosted: Thu Dec 17, 2009 8:10 pm 
Third Gear
Joined: Wed Aug 22, 2007 9:27 pm
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Location: Denver, CO
One thing to keep in mind for this setup is the intercooler. The 06 WRX TMIC I am running is too small with the vf39 at 17psi. It definitely heat soaks and it was evident. When we did 4 pulls on the dyno in a row, each pull lost between 5-10 hp. When we let the car cool off for 20-30 min, the next pull was always good.

I actually saw 280ftlbs and 245hp on one of the pulls, but the curve was more choppy, so we didn't print that one.

I am now looking into running a FMIC.

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maciek puszynski

01 Impreza | v6 STi RA | 5mt | ej236t
93 Legacy Turbo | TW | 4eat | ej22t
16 WRX | 6mt | fa20
98 Legacy GT | wagon | 5mt | ej25d


2.36L Turbo - RSTi Build


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PostPosted: Thu Dec 17, 2009 8:35 pm 
Fourth Gear
Joined: Tue Nov 28, 2006 8:17 am
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Location: Spokane, WA
wait, swapping from a td04 to a vf39 with the tune alone gained you 60hp and 30tq?

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PostPosted: Thu Dec 17, 2009 9:10 pm 
Fifth Gear
Joined: Mon Oct 16, 2006 9:44 pm
Posts: 3242
Location: Toronto,ON Canada
macipusy wrote:
One thing to keep in mind for this setup is the intercooler. The 06 WRX TMIC I am running is too small with the vf39 at 17psi. It definitely heat soaks and it was evident. When we did 4 pulls on the dyno in a row, each pull lost between 5-10 hp. When we let the car cool off for 20-30 min, the next pull was always good.

I actually saw 280ftlbs and 245hp on one of the pulls, but the curve was more choppy, so we didn't print that one.

I am now looking into running a FMIC.


I wonder how meth injection helps? Or a IC sprayer.

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PostPosted: Fri Dec 18, 2009 12:49 am 
Third Gear
Joined: Wed Aug 22, 2007 9:27 pm
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Location: Denver, CO
I did install a lightweight flywheel in between the td04 and vf39....so that might account for some to the wheels power increase.

The rest of the improvement is from the vf39 and re-tune.

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maciek puszynski

01 Impreza | v6 STi RA | 5mt | ej236t
93 Legacy Turbo | TW | 4eat | ej22t
16 WRX | 6mt | fa20
98 Legacy GT | wagon | 5mt | ej25d


2.36L Turbo - RSTi Build


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PostPosted: Fri Dec 18, 2009 5:45 am 
Fourth Gear
Joined: Tue Nov 28, 2006 8:17 am
Posts: 2045
Location: Spokane, WA
holy crap, i just didn't expect THAT MUCH of a power increase over the TD04, is it a pretty agressive tune?

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PostPosted: Fri Dec 18, 2009 5:53 am 
Fourth Gear
Joined: Tue Nov 28, 2006 8:17 am
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Location: Spokane, WA
also, im guessing thats AWHP?

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PostPosted: Fri Dec 18, 2009 6:48 pm 
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Very nice numbers.

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PostPosted: Fri Dec 18, 2009 7:10 pm 
Third Gear
Joined: Wed Aug 22, 2007 9:27 pm
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Location: Denver, CO
Yes this is AWHP....I am guessing that is around 350ftlbs/315hp at the crank

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maciek puszynski

01 Impreza | v6 STi RA | 5mt | ej236t
93 Legacy Turbo | TW | 4eat | ej22t
16 WRX | 6mt | fa20
98 Legacy GT | wagon | 5mt | ej25d


2.36L Turbo - RSTi Build


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PostPosted: Fri Dec 18, 2009 10:28 pm 
Fifth Gear
Joined: Sun Sep 10, 2006 9:15 am
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Location: University Place, WA
Wow! Looks like it actually holds ~240 hp all the way to redline, too!

Very nice!

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PostPosted: Fri Dec 18, 2009 11:23 pm 
Third Gear
Joined: Wed Aug 22, 2007 9:27 pm
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Location: Denver, CO
Feels like it pulls hard all the way now. Before, with the td04, it dropped off up high.

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maciek puszynski

01 Impreza | v6 STi RA | 5mt | ej236t
93 Legacy Turbo | TW | 4eat | ej22t
16 WRX | 6mt | fa20
98 Legacy GT | wagon | 5mt | ej25d


2.36L Turbo - RSTi Build


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PostPosted: Fri Dec 18, 2009 11:42 pm 
Fifth Gear
Joined: Sun Sep 10, 2006 9:15 am
Posts: 2473
Location: University Place, WA
Who did your tuning?

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2000 Audi S4 - 2.7L Twin-turbo, 6 Speed

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PostPosted: Sat Dec 19, 2009 12:32 am 
Fourth Gear
Joined: Wed Jun 22, 2005 4:07 am
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Location: Northern CA
looks good! Ya the stock heads can yield good numbers. my car did 200whp 200ft/lbs on a dynojet @ 10psi w/ a 16g.

SOHC leggy heads ftw!

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PostPosted: Sat Dec 19, 2009 4:56 pm 
quasi-mod-o
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thats awesome, nice numbers.

can u post ur full mod list.

im curious if certain parts were used in addition to the vf39, sti injectores, wrx tmic and ecu.

ie: exhaust, headers, catless, fuel pump, intake, stock or aftermarket clutch... etc. what other parts do u have?

im very impressed with these numbers thats why i ask... thanks.

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PostPosted: Sat Dec 19, 2009 7:13 pm 
Third Gear
Joined: Wed Aug 22, 2007 9:27 pm
Posts: 787
Location: Denver, CO
Here is the full list of engine mods up to date:

Engine:
VF39 turbo
06 WRX TMIC
550cc STi fuel injectors
Walbro 255 fuel pump
92 Legacy NA fuel rails
Invidia bellmouth 3” DP
Borla 2.5” CBE
Coffee mug intake mod
JC Sports cone filter
TurboXS recirc BOV
NKG Iridium spark plugs
Diamond coilpack
8mm spark plug wires
Lightweight pulley set
Exedy lightweight flywheel
Group N tranny mount
Group N pitch stop
Hallman MBC
Manual FCD
PP6
IC sprayer nooozles
WRX Coolant Reservoir

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maciek puszynski

01 Impreza | v6 STi RA | 5mt | ej236t
93 Legacy Turbo | TW | 4eat | ej22t
16 WRX | 6mt | fa20
98 Legacy GT | wagon | 5mt | ej25d


2.36L Turbo - RSTi Build


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PostPosted: Sat Dec 19, 2009 7:16 pm 
Third Gear
Joined: Wed Aug 22, 2007 9:27 pm
Posts: 787
Location: Denver, CO
The tuning was done by Harvey, who owns his shop....The Boost Creep Ltd. He has been around for a long time in the Denver/Boulder area and is a very reputable tuner.

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maciek puszynski

01 Impreza | v6 STi RA | 5mt | ej236t
93 Legacy Turbo | TW | 4eat | ej22t
16 WRX | 6mt | fa20
98 Legacy GT | wagon | 5mt | ej25d


2.36L Turbo - RSTi Build


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PostPosted: Thu Dec 24, 2009 8:04 pm 
quasi-mod-o
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wow, really nice. so no major engine work whatsoever. why the change in fuel rails?

and i just clicked ur link. nice build u got goin there. good luck with it.

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PostPosted: Thu Dec 24, 2009 11:16 pm 
Third Gear
Joined: Wed Aug 22, 2007 9:27 pm
Posts: 787
Location: Denver, CO
The 92-94 N/A fuel rails allow me to run the USDM STi 550cc injectors.

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maciek puszynski

01 Impreza | v6 STi RA | 5mt | ej236t
93 Legacy Turbo | TW | 4eat | ej22t
16 WRX | 6mt | fa20
98 Legacy GT | wagon | 5mt | ej25d


2.36L Turbo - RSTi Build


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