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Old 10-24-2012, 11:05 PM   #1
Scooby Newbie
Member#: 280686
Join Date: Apr 2011
2004 wrx

Default Sti swap into wrx

Ok so I have a 04 wrx I'm doing this due to my rod bolt shooting through my block so instead of keeping my 2.0 I figured I will buy a wrecked sti and pull the motor and trans and wiring harnesses if they are useable. But here is my question I want to have 500hp. I am thinking of using a 282 cam, forged pistons, I'm not sure not what valves to use and the turbo as well, and I'm debating on porting the heads. What else would I need to be at 500
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Old 10-25-2012, 12:18 AM   #2
Scooby Specialist
Member#: 193189
Join Date: Nov 2008
Location: alabama
www. v8wrx.com


a big wallet... but seriously you have to think of every aspect... clutch and transmission and rear diff and axles are all gonna have to be upgraded, fuel system, fully built engine, just a ton of money... I know with 300whp alot of stuff tears up, well with my experiences and friend's... Theres a few sti's ive seen for sale on here that are at the 500whp mark, they have a long list of parts and very expensive to get there. just my 2 cents, not really something you want to half a$$
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Old 10-25-2012, 01:37 PM   #3
Scooby Newbie
Member#: 310530
Join Date: Feb 2012
Location: New Britain, CT
2006 WRX


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