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Originally Posted by speedshopmike
gearbanger, i never said a word about not being able to do that with 300plus heads; the flow number's quite irrelevant to what i wrote.
all i stated was what i personally need from a street car.
"cubic inches rule" - ummm...duh.
skip, fwiw, even the round port heads are too small by "modern standards".
look to ford's various lousy street hot v8 combos for evidence of why just making a port larger doesnt work.
boss 302? - ever actually driven one? - unbelievable dog.
but same displacement 302 chevy is pretty snappy on the street.
351c 4V - not till it gets well up in rpm is it fun
boss 429 - no power anywhere from stock; major mismatch head/cam package.
closer to home - ok, 396 chevy with rectangular heads - don't start working till 3000 rpm.
you can go too big on a head - it's just that pontiacs are so underheaded to begin with it's hard to do it.
i'm running 3.73's on my TA; big fun around town, hideous on the road.
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Okay, sorry speedshopmike.
I thought you were saying that if you put ported heads on a pontiac, it makes them dogs. From what I can tell, overcamming a pontiac is where most people got the idea that you could kill the torque of a pontiac. If you take a restrictive head like a pontiac head and couple that with a big cam, you have a dog. Much worse than putting a smallish cam into an engine with a pretty good flowing set of heads.
I agree about those Boss 302s, they are pretty sick.