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Old 06-27-2009, 10:25 PM   #1
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Car: Blue 04 WRX STi
Fav Mod: 3" HKS turboback
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Default 2004 STi - 339hp/360tq

treich007’s 2004 Subaru WRX STi

Numbers
Dyno: Dynapack
Tuner: Church Automotive Testing
HP at Hubs: 339.2 race gas/321 91 octane
TQ at Hubs: 360.1 race gas/343 91 octane
Ambient Temp: 85 F
Elevation: 100

Car Info
Year: 2004
Engine Management: Cobb AccessPort
Turbo: Stock
Intercooler: Stock
Meth Kit: None
Injectors: Stock
Intake/Inlet: SPT Shortram
Headers: Stock
Uppipe: Stock
Downpipe: 3” HKS catless
CBE: 3” HKS Midpipe and 4” HKS Hi-power
Other Power Mods: HKS BOV (lol)

Link to your tuner's rating thread:
Church Auto Testing

Dyno chart:


Experience and plans: As of now I am not expecting to do any engine modifications or additional tuning. I will probably focus on suspension type mods if anything next.

Video while on the dyno:
8NsiphQ5kKI
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Old 06-28-2009, 03:17 PM   #2
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Default Re: 2004 STi - 339hp/360tq

those are some good #s for stage 2....esp on 91 oct..
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Old 06-29-2009, 09:24 AM   #3
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Fav Mod: TUNED By Shawn Church, Stage 2 - 314 whp, 329 wtq @ 18 psi
Location: San Diego - WFC #858
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Default Re: 2004 STi - 339hp/360tq

church FTW! best kept secret tuner!
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Old 07-03-2009, 10:00 AM   #4
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Default Re: 2004 STi - 339hp/360tq

you have an external wastegate? Becauset he HKS downpipe is not a bellmouth design.
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Old 07-03-2009, 12:56 PM   #5
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Default Re: 2004 STi - 339hp/360tq

Not sure, can you tell by this photo?
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Old 07-03-2009, 01:17 PM   #6
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Default Re: 2004 STi - 339hp/360tq

Nice numbers...

I had no idea he tuned for the accessport...this is great news if so!!

I would love to get the wifes RDX tuned by him, but she say's hands off!!
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Old 07-03-2009, 01:21 PM   #7
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Fav Mod: TUNED By Shawn Church, Stage 2 - 314 whp, 329 wtq @ 18 psi
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Default Re: 2004 STi - 339hp/360tq

dont see an ewg, but its ok internal wastegate is fine for stage 2 imho

he does accessport!!! take the wifes rdx tehre .... she wont notice
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Old 07-08-2009, 09:19 AM   #8
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Default Re: 2004 STi - 339hp/360tq

Nice numbers, even for 91 oct.
What does a stocker pull on this dyno??
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Old 07-14-2009, 08:24 AM   #9
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Default Re: 2004 STi - 339hp/360tq

Quote:
Originally Posted by kawrx2002 View Post
Nice numbers, even for 91 oct.
What does a stocker pull on this dyno??
Thanks. If anyone knows what the stock curve would look like on this dyno, I would sure like to see a chart. My guess is that it would be somewhere around 230hp and 240 ft-lbs and it would probably come a bit later and drop off earlier.
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Old 07-14-2009, 08:32 PM   #10
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Default Re: 2004 STi - 339hp/360tq

Any clue what your numbers were without the SAE correction...Looks like a good setup!
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