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Old 01-09-2013, 10:23 PM
cdminter59 cdminter59 is offline
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Edelbrock C427x manifold

Originally Posted by MalibuMike View Post
Okay well the same guy says he has a set of GM part number 3964291 rectangle port heads & I found anotha guy with NEW ROSS RACING PISTONS ALUMINUM FULL FLOATING. CNC. MACHINED. SKIRTS THAT ARE. 060 454 OPEN CHAMBER PISTONS PART #80001,NEW EAGLE H BEAM RODS PART. #CRS -6135-S, and SPEED-PRO RINGS... How does this setup sound for horsepower?
You have one of the best oval port heads GM produced. The 781's would be better for a street engine.
Those Ross pistons would give you a 13:1 compression ratio which will not run on pump gas. The rods are not needed on a street driven engine, its just overkill.
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