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AFR heads are emissions legal. Does 86 use a roller cam? I know my 86 Olds has one. AFR heads and a roller cam could give some seious powerpotential. Try 500 emissions legal hp on 92 octane. I think you would like that. Oh, and if you want to really go fast, get a ProCharger. 800hp would be possible on a 350 with one of them. If you want good power, the first thing to ditch is the factory exhaust manifolds. Then the heads.
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