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Old 11-04-2011, 10:59 AM   #30
buzzword
Scooby Newbie
 
Member#: 123353
Join Date: Aug 2006
Chapter/Region: BAIC
Location: SF CA
Vehicle:
2006 AW STi
FLI tuned - 280/300@15psi

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Quote:
Originally Posted by radd269 View Post
If your goal is 350whp, you can pretty much get that from an wrx motor. All you would need would be sti tmic, sti turbo, walbro fuel pump, tbe and a good tune. the WRX motor already has enough injectors (550CC) but any more power than that would be unreliable. Using ethanol also would be a good idea here
Nice job on your swap. I want to clarify a couple things here - you'll never get an honest 350 whp out of a VF frame turbo from any year STi. By honest I mean on a wheel driven dyno (read: NOT dynapack) with the appropriate correction factor, etc. It's not altogether out of the realm of possibility to make that kind of power on an EJ255 block, but certainly not with 550cc injectors and a stock turbo. Bigger injectors, E85 or race gas, some tuning aids like water/meth, and you MIGHT get close with a stock turbo. Lots of tuners and shops will tell you anything to part you with your hard-earned cash, but please be aware that this is a stretch goal at best on stock parts.
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