Header question
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Header question
I have a 72 f-100 stepside. It was originally a 6 cylinder manual. At some point somebody put a 351w and an automatic in it.The block is a 69 galaxie but I am not sure what the heads are. The motor has some really old skinny short headers on it. The motor had a 4 barrel manifold with a 2 barrel adapter and carb, I just put a holley 600 on it, but kinda feel I am having some exhaust restrictions now. I tried looking up headers by vehicle, but the truck never had a 351 option, so should I buy 302 headers for the truck, or will I have clearance issues?
