major diffrence between MY2004 WRX and STI engine

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07 June 2011, 07:58 PM

gt-r_michel

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major diffrence between MY2004 WRX and STI engine

Hello @all,

what are the diffrence between the 2004 STI and WRX engine? I know the STI has other pistons,a larger TMIC, larger injectors, other ECU and decat uppipe. But whats diffrent too? I Have a My 2004 WRX sportswagon and i dream from a STI sportwagon .

Best regards
Michael

P.S. Sorry for my bad school english

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07 June 2011, 09:31 PM

dunx

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AVCS and a VF 35 turbo !

HTH

dunx

P.S. Easiest fix is to buy a crashed STI and swap it all into yours !

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07 June 2011, 10:55 PM

john1979

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As far as the engine block goes, are these identical between the 2?
And also to add a question, are all blobeye blocks the same?
Always wondered....
John.