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Old 02-23-2007, 08:43 PM   #1
mastert150
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Default 04 WRX to 2.5L shortblock

Hey i've had my 04 WRX for a while and i'd like to know what is required to drop a 2.5L shortblock off a USDM sti or whatever into my 2.0L T wrx
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Old 02-23-2007, 09:09 PM   #2
All4bSpinnin
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Quote:
Originally Posted by mastert150 View Post
Hey i've had my 04 WRX for a while and i'd like to know what is required to drop a 2.5L shortblock off a USDM sti or whatever into my 2.0L T wrx
it can be done, however it messes with the compression ratio since the sti pistons are made to be used with the sti heads... there's a couple companies out there that offer replacement pistons for the sti ones..

u should be able to bolt the heads up, but for precautionary measures i would run the aftermarket pistons. and since your gonna do that u might as well sleeve it and put some sweet rods in it too..
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Old 02-23-2007, 09:21 PM   #3
novacivic
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you can drop it right with no problem I have done it quite a few times with no issues.
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Old 02-23-2007, 09:28 PM   #4
mastert150
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I just want a stronger block dont really care about big hp gains
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