Find an old junk yard and start looking at cars. 292 & 312s both came out with 4 barrels in some models. If you find them it's just remove the 2 barrel manifold, add new gaskets and install. I run a Holley 390 CFM on my 272.
Old Guy with Trucks
54, 56 F100s & 56 Ford panel
All works in progress
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