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I'm in need of changing the 2 barrel carburetor on my 1973 Ford Mustang Mach 1. I understand that if i want to go to a 4 barrel carburetor I will need to change the intake (duh) and the heads. Is this correct? If I stay with the 2 barrel what brand and size should I get for the 351C?

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Ray Jones

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To change to a 4 bbl u wil need to change the intake manifold, as for the heads only if u are going to preformance. Changing diffeent 2 bbls will not be of any advantage to you.

Posted on Jul 15, 2009

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