High RPM Is Really Hard On Pontiac Engines over time Thus the need to build Power at lower rpm where its usable in a street car that has to last more than one season, Build for Torque and HP will come, What ever car has More Torque and HP delivered to the Ground Wins, A Posi rear end and Stcky tires are needed with most Pontiacs, from a 400-601 they are all good just depends what ya wanna do and How ya Drive, And If it makes you happy By all Means Do it, My 2cnts
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D.S.R.E. Your NW Pontiac Street/Strip Engine Builder, Specializing in Cylinder Head,Intake Manifold,and Exhaust Manifold Porting services and Building the Most Efficient stock rebuilds to Hi HP Pump Gas and Race Combinations for Pontiac,Buicks,Olds,FE Fords,385 Series and HP Gen 3 and 4 LS engines!
2006 silvy Z71 4X4,383 LS 600+hp NA
Shared Toy-66 Lemans 470cid by me 537hp 580tq-manifolds, 570hp 590tq-2"headers,custom cam,rpm intake, mild e-heads, Looks stock ;-}
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