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2005 STi - 475whp/520wtq

11K views 16 replies 9 participants last post by  superhero06  
#1 ·
Numbers
Dyno: Dynojet
Tuner: Chris Black @ AMS
Wheel HP: 475
Wheel TQ: 520
Ambient Temp: ~65 deg
Elevation: ~780ft

Car Info
Year: 2005
Engine Management: Stock ECU, OS tune
Turbo: AMS GT30r
Intercooler: Perrin FMIC
Meth Kit: None
Injectors: Precision Turbo & Engine 1200cc Top Feed
Intake/Inlet: AMS GT30r Turbo Kit Intake
Headers: GT Spec un-equal length header
Uppipe: AMS GT30r Turbo Kit Up Pipe
Downpipe: AMS GT30r Turbo Kit Downpipe
CBE: AMS CBE
Other Power Mods: Misc. Fuel System Provisions for e85


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#2 ·
Re: 2005 STI - 475whp/ 520wtq

Here are a few more pictures highlighting the fuel system build for e85. Enjoy!

-Ty

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#3 ·
Re: 2005 STI - 475whp/ 520wtq

Love that powerband, 300WTQ at 3300 rpm, and 500 WTQ at 4300 rpm
thats only slightly lower spool over stock and massive increase in power everywhere.
 
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#5 ·
Re: 2005 STI - 475whp/ 520wtq

how much psi you tuned it at?

is it stock block?
Due to IWSTI's strict power bragging forum rules I was unable to include pertinent information such as that.. :lol: :rolleyes:

Boost is 25.5, and it's a completely stock motor.

-Ty
 
#10 ·
25 psi on a stock block......I love it!
 
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#12 ·
Me and my buddy are running GT30R's and on C16 i run 28psi, he runs 27psi, dynoed on same dyno making 500whp and he made 485whp.. Stock block is alot stronger than people think.. You just cant have a bad knock incident or ur f'd.. I run ~385whp daily and rev it to 7.5K daily.. I have ~30K miles with this setup..
 
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#13 ·
It is a custom system we put together here at the shop.

Me and my buddy are running GT30R's and on C16 i run 28psi, he runs 27psi, dynoed on same dyno making 500whp and he made 485whp.. Stock block is alot stronger than people think.. You just cant have a bad knock incident or ur f'd.. I run ~385whp daily and rev it to 7.5K daily.. I have ~30K miles with this setup..
We ended up changing a few items on this particular car and were able to make 493whp on e85. :tup:

-Ty
 
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