02-24-2005, 08:24 AM
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Naturally Aspirated
Join Date: Nov 2003
Location: Ravenna, Ohio
My Ride: 89 Spirit ES
Engine: 2.5 STD TII 20psi
Induct: Turbo
1/4: 13.726
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Do you mean stock? Stock should be 142-150hp, depending on how well it was built.
Now if you mean how much HP you can make on stock internalls it should be around 250hp. Throw a performance calibration in, 2 1/2" or 3" exhaust, exhaust cut out, and a cool air intake...thats just a start and if it's a 5spd(Im assuming it is) you should already be in the high 14's or reaaaaal low 15's. Of course you start switching turbos, porting out the manifolds, doing a bunch of head work, adding more fuel and turning up the boost.
Hope that helps.
-Bryan
89 Spirit
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