4bbl carb

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    2 to 4 bbl and exhaust upgrade questions

    Hey All, I am brand new to this site. I am purchasing a 1966 Delta 88 that has a 425 but has a 2bbl carburetor and single exhaust. I read a 2020 thread about the Thornton exhaust manifolds for dual exhaust so will be purchasing those. One question that I have for exhaust is: should I go with...