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Old 12-01-2008, 07:08 PM   #11
howfast?
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Member#: 102027
Join Date: Dec 2005
Chapter/Region: SCIC
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Subaru Stars

Quote:
Originally Posted by lemons View Post
Will my stock pistons cams etc. fit onto the shortblock? And how much approximately will a full sti swap cost?
Quote:
Originally Posted by Sooby Soldier View Post
The shortblock is basically the assembled block without heads, manifolds. It has the crank, pistons etc built in. I wish I could fill you in on whether your RS heads would work on the 2.5l block but I'm not sure.
IMO if you want to boost it, go with the brand new sti shortblock from the factory. Like Scooby Soldier said, the block comes assembled with internals right out of the box.

As for heads, be on the lookout for sti heads that need fixing (like they have a bent or dropped valve) and have the 3 angle valve job with springs/retainers done.

Once all is said and done, you can sell your longblock and drivetrain setup and recover some of the cash.

I'm in the middle of an sti swap right now into my 03 wrx wagon. It ends up being quite expensive... I mean once you have an sti longblock (about $1750 from dealership) with drop in pistons (about $450 depending on brand), and pnp'd/upgraded springs/retainers sti heads (about$700 for parts and labor), your not going to want to run a 39 on it. Even tuned on the 39, over 320 wtq would shred a wrx tranny (usually 3rd gear). Also needed are ARP headstuds and new head gaskets (around $400?).

It gets expensive because you can't just do the motor. You have to do the tranny and the brakes just to be safe and in order not to break anything and that is where the $$$ goes. Right around $4000 goes to the tranny/hubs/axles/brakes swap not to mention labor if you're not doing yourself. You will also need 5x114.3 wheels. Sti engine/car harness/ecu/cluster will run you around $1500 (for parts no labor).

Also need turbo, injectors, fuel pump, intercooler, blah blah

And I know im missing a bunch of stuff but this will start to hint at an idea of price. Notice all prices are an estimate, it depends on what type of deals you can find and get.
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Last edited by howfast?; 12-01-2008 at 07:13 PM.
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