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Old 02-14-2006, 10:37 PM   #10
Scooby Specialist
Member#: 39149
Join Date: Jul 2003
Chapter/Region: Tri-State

Originally Posted by tribaltalon
Ok so I'm the buddy who blew the motor....yeah it sucks. Anyways, the car was a 2002 Wrx with Cobb stage 2, My question is if I go with the sti block how would it work with the stock 2.0 heads, transmition, feul pump, turbo, accessories, Ecu...etc. etc.....I know alot of sites claim that the block works with the stock wrx heads, but I really have no idea. I really don't have endless funds to rebuild the entire car haha. I guess my question is if i go with a 2.5 block what neessary parts have to go with it. Or would it just be more practical to go with a 2.0 block. THANKS
People are having pretty good results using sti block with the wrx heads. You keep your wrx ecu. Everything bolts up to it. The stock turbo is gonna be exhausted with the extra half liter displacement so maybe you should think about going cobb stage 2.5. Your compression is gonna be slightly higher using the wrx heads, but you could fix that with your headgasket thickness. I think the 2.5l is the way to go, maybe if you have some extra cash drop a set of mahle pistons in it and you have yourself an extremely strong motor. Keeps us updated and good luck .
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