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Old 09-13-2010, 05:38 PM   #1
AQ Motorsports
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Member#: 60836
Join Date: Apr 2004
Chapter/Region: SCIC
Location: Torrance, CA
Vehicle:
2006 Mod Class STI
TIMEATTACK!!

At the Track Dyno Tune: Our time attack STi - 2.6L, GTX35R, E85, 700+ whp

Last year made the switch to E85 on our Time Attack STi, and not surprisingly picked up some pretty good power gains over MS109. Previously the car was making around 550. As we've sold the dyno we now outsource our work to Church Automotive which is located nearby.

Here's our most recent plot with the new GTX35R:





Here's the video:


Event: dyno pull
Location: Church Automotive Testing
Ambient Temp: 70f
Elevation: 20ft
Weather: sunny
Tires: n/a but toyo R888 295/30-18

Car: 2006 STi
Tuner: Shawn Church
Dyno Info: Dynapack
Transmission: stock 6-speed, stock diffs
Gear: 4th
Peak HP at RPM: 747whp @ 6200
Peak Torque at RPM: 690wtq @ 5300
Baseline hp/tq for a stock on same dyno: ~230
Target Boost: 38 psi
Fuel: E85

Engine/Power Modifications:
  • Outfront Motorsports closed deck case
  • BC 83mm crank
  • BC I-beam rods
  • JE 100mm billet pistons
  • BC 280 cams
  • BC +1mm valves
  • BC springs and retainers
  • custom head porting
  • Moroso oil pan and accumulator
  • AQ motorsports rotated up-pipe
  • Garrett GTX35R .82 (single scroll T3)
  • STOCK header
  • Tial 44mm ewg
  • fuelsafe 10gal fuel cell
  • bosch -044 in tank pump
  • custom surge tank
  • Aeromotive A1000 pump
  • Aeromotive fuel rails
  • Aeromotive FPR
  • Deatschwerks 1600cc injectors
  • Griffin intercooler core
  • AEM EMS
  • 8200rpm redline

Driveline Modifications: DSS aluminum prop shaft and stage 5 axles
Suspension Modifications: JRZ 3-way race and a whole lot more




Future plans:

New headers, bigger hotside.
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Last edited by AQ Motorsports; 06-21-2011 at 01:49 AM.
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Old 09-13-2010, 05:39 PM   #2
SubWrx07
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drool drool droooool.....
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Old 09-13-2010, 05:55 PM   #3
wrxwhat
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What splitter/diffuser/underbody (if at all) are you using?
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Old 09-13-2010, 06:04 PM   #4
Nuke209
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oh man, i like it very much!
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Old 09-13-2010, 06:24 PM   #5
robbieshonda
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Shawn is one hell of a tuner. Ive always looked upto him on his honda tunes
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Old 09-13-2010, 06:55 PM   #6
fourmicah
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Very Nice, I wish we had E85 in more places in Utah
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Old 09-13-2010, 07:25 PM   #7
AQ Motorsports
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2006 Mod Class STI
TIMEATTACK!!

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I wish we had more E85 here too. There are like 5 stations in all of southern california so we keep a 55gal drum in the trailer. Our S2k also runs on it.

Quote:
Originally Posted by wrxwhat View Post
What splitter/diffuser/underbody (if at all) are you using?
we made the whole splitter/underbody/diffuser out of alumalite. I'll try to dig up some underbody pictures, but it's nothing fancy. Right now the exhaust dumps right under the car so we're going to change that in the near future with a side pipe.
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Old 09-13-2010, 08:55 PM   #8
KB'izzle
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Bump for Outfront's closed deck block

nice looking car you got there, happy with the set-up? plan to change anything on it in the future?
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Old 09-13-2010, 09:08 PM   #9
AQ Motorsports
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2006 Mod Class STI
TIMEATTACK!!

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Powerwise- headers, maybe a little bigger turbo, but I don't think we want to go much father on the 11mm headstuds.

The closed deck block has been holding together great though- in the car since march and through 5 events. Right now the debate whether we pull it apart and do an inspection/refresh before the next three events, which are all close together and pretty important: subiefest, laguna seca gtgp, and superlap finals.
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Old 09-13-2010, 09:14 PM   #10
RLR257
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PPG'd EWG'd & Dom3'd(XTR)

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massive power... thing must be a rocket
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Old 09-13-2010, 09:40 PM   #11
syoung0298
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...just wondering why you switched from Cosworth to the new engine setup? Thanks.
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Old 09-13-2010, 10:08 PM   #12
AQ Motorsports
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Location: Torrance, CA
Vehicle:
2006 Mod Class STI
TIMEATTACK!!

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Quote:
Originally Posted by syoung0298 View Post
...just wondering why you switched from Cosworth to the new engine setup? Thanks.
It ended up being quite a bit less expensive, and we want to try out the closed deck to prevent any more cylinder wall failures. We still have the 2.6 cosworth, refreshed in a new case, as an emergency spare until it sells.

Last edited by AQ Motorsports; 09-13-2010 at 10:18 PM.
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Old 09-15-2010, 01:10 PM   #13
wrxsubiemod
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Location: name where you like it
Vehicle:
E85 SoCalPorting
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im too lazy to read lol. Where do you guys buy your e85. I get mine at the pomona station. I should just buy a 55 gallon drum lol
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Old 09-15-2010, 01:18 PM   #14
BUILTSTI
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FPRED PUMPGAS 93oct

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look at that wing !!!!
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Old 09-15-2010, 01:20 PM   #15
AQ Motorsports
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Location: Torrance, CA
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2006 Mod Class STI
TIMEATTACK!!

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That's where we went on the way to cal speedway for evo/sti challenge. Usually in santa monica. It's between here and JC's house so he'll fill up a few 5gal containers on his way down. I hear e85 doesn't have a really long shelf life so we don't keep the drum full.
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Old 09-15-2010, 01:40 PM   #16
AQ Motorsports
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TIMEATTACK!!

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Quote:
Originally Posted by BUILTSTI View Post
look at that wing !!!!
Thanks. Custom made by Mike at Kognition:







it took a bit of work to get enough downforce on the front end to match.
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Old 09-15-2010, 01:42 PM   #17
BUILTSTI
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Quote:
Originally Posted by Harman Motive, Inc. View Post
Thanks. Custom made by Mike at Kognition:






wow!!!
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Old 09-15-2010, 02:43 PM   #18
blakkboxer
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where'z the video or this isn't happening!!!
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Old 09-15-2010, 08:44 PM   #19
thefoos
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02 WRX BW EFR E85
7064 TS WRB

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Quote:
Originally Posted by Harman Motive, Inc. View Post
That's where we went on the way to cal speedway for evo/sti challenge. Usually in santa monica. It's between here and JC's house so he'll fill up a few 5gal containers on his way down. I hear e85 doesn't have a really long shelf life so we don't keep the drum full.
Its grain alcohol...it will last forever But it is hydroscopic at higher proof, so if its not in a sealed container, it can certainly take on some water. I imagine that is the concern...

Anyway, I'm shocked your making that much power on stock headers. Truly stock, or pnp'd with an aftermarket crossover?
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Old 09-17-2010, 02:33 AM   #20
jamal
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my wheels fit

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Completely stock header. Shawn estimates another 50hp with a header and 1.06 ar hotside. Plus we rev it out to 8500 so having a new plot that goes to there would be nice.

Any thoughts on a new header anyone? I guess we could make one, go full v-band on the up-pipe etc. Maybe over the offseason. Thinking perrin right now, although amr ihas those ones with the bigass piping.
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Old 10-22-2010, 08:10 PM   #21
AQ Motorsports
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Join Date: Apr 2004
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Location: Torrance, CA
Vehicle:
2006 Mod Class STI
TIMEATTACK!!

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As most people know, Subiefest could have gone a little better. Before the accident, though, we found some issues with the car that we were able to fix. One was a cracked charge pipe causing a boost leak. the other was the fact that we were pulling a significant amount of oil from the air/oil separator through the turbo inlet. After fixing the boost leak and running the AOS into an external catch can the car was running better than ever (and not dumping a single drop of oil into the bottle). Then of course we ended up on a berm.

This week we got the front of the car put mostly back together and brought it over to Church again to make sure the tune was good and the car was good. There was some concern over shutting the car off with coolant temps over 200f, and whether we had damaged the turbo or headgaskets. It seems that that was not the case, as the car is making more power since we're not burning oil:



We have some video of some pulls I can put up later too.
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Old 10-22-2010, 08:30 PM   #22
findme
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[quote=Harman Motive, Inc.;32249429]As most people know, Subiefest could have gone a little better. Before the accident, though, we found some issues with the car that we were able to fix. One was a cracked charge pipe causing a boost leak. the other was the fact that we were pulling a significant amount of oil from the air/oil separator through the turbo inlet. After fixing the boost leak and running the AOS into an external catch can the car was running better than ever (and not dumping a single drop of oil into the bottle). Then of course we ended up on a berm.

This week we got the front of the car put mostly back together and brought it over to Church again to make sure the tune was good and the car was good. There was some concern over shutting the car off with coolant temps over 200f, and whether we had damaged the turbo or headgaskets. It seems that that was not the case, as the car is making more power since we're not burning oil:



We have some video of some pulls I can put up later too.[/QUOTE

i had the Grimmspeed AOS on my race motor and it sucked 3 quarts of oil in 70 miles, i switched to the crawford V2 what aos did this to you >?
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Old 10-22-2010, 09:07 PM   #23
AQ Motorsports
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Location: Torrance, CA
Vehicle:
2006 Mod Class STI
TIMEATTACK!!

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we just have a can we made ourselves, and it doesn't have much in the way of baffling. It does a perfectly good job now that we're not pulling a bunch of vacuum through it.

it's a really good thing that we had that boost leak because the oil spraying all over the left side of the engine really brought the issue to our attention.

Last edited by AQ Motorsports; 10-22-2010 at 09:13 PM.
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Old 10-22-2010, 09:19 PM   #24
findme
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Quote:
Originally Posted by Harman Motive, Inc. View Post
we just have a can we made ourselves, and it doesn't have much in the way of baffling. It does a perfectly good job now that we're not pulling a bunch of vacuum through it.

it's a really good thing that we had that boost leak because the oil spraying all over the left side of the engine really brought the issue to our attention.
The AOS that had a massive leak what brand was it >? also i just blew 2 motors in 2 months one a 15 thousand dollar motor all over some kind of oil in the fuel problem its crazy
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Old 10-22-2010, 09:27 PM   #25
AQ Motorsports
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2006 Mod Class STI
TIMEATTACK!!

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We made the separator ourselves. The intercooler pipe had a leak, and the turbo inlet was pulling enough vacuum to suck oil from the can. The result was oil spraying all over the engine bay through the leak in the IC pipe. At least it made both problems very apparent.

Last edited by AQ Motorsports; 10-22-2010 at 09:36 PM.
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