Cylinder Heads ?'s
07-09-2010, 09:59 PM
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Cylinder Heads ?'s So i'm posting this for a build that a friend of mine is doing. He is doing stock 317 heads over lightly ported AFR 205's on a STS 67 mm kit. What will the estimated horsepower difference be between the two. This is in a forged 383 at about 13-14 lbs.
