08-04-2004, 07:19 PM
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CC Member
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Join Date: Jan 2004
Cobra Make, Engine: BDR 302 AFR 165
Posts: 363
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Not Ranked
Just my opinion I feel that gt40 heads are way to small for a 351W I think they are to small for a 302. Horsepower is made with heads that flow in the low lift on a street car with a mild cam. Look at average flow of the heads over the lift of your cam. there are a lot of heads that make good power for the money. I like AFR's but Ebrock, Brodix, Trickflow, protopline all make excellant products. I have a set of gt40 heads on a mustang and there flow is very poor however they are a lot cheaper than aluminum heads.
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