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Old 10-15-2004, 11:21 AM   #17
mno
Scooby Specialist
 
Member#: 59322
Join Date: Apr 2004
Chapter/Region: MWSOC
Location: Michigan Born and Raised.
Vehicle:
2004 STi WRB,09 G8GT
08 G6, 06 CTS, 2010 Prius

Default

That pretty damn amazing I would love to see a sheet.

In fact I have a problem believing that was on a Mustang Dyno.

Quote:
Originally Posted by VR62STI
My 2004 STI on a Mustang dyno at Gruppe-S did:

275 hp and 311 ft-lbs on 91 octane!

Mods are:

Accessport stage 2 91 octane
Gruppe-S header, jet hot
Helix catted DP
Forge exhaust
Perrin pulley
GPmoto short ram

I am extremely happy with the numbers, especially considering I still have a cat and no stink, and am on California cheapy 91. Unfortunately my air-fuel ratio was at 11.8:1; I called Cobb and they suggested using the latest Stage 2 base maps, and ditching the short ram. Now I'm going to have to dyno this thing on 93 - because 2 points maked a huge difference in butt-power.
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