Ford Truck Enthusiasts Forums - View Single Post - A better (newer) 4 bbl for my Y-Block
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Old 06-03-2014, 07:47 PM
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Y-Blockhead Y-Blockhead is offline
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Just because you have a 600 cfm carburetor on your 272 it does not mean your engine could flow 600 cfm. With that big of a carb I doubt your secondaries are even opening. I would suggest a 390 or 450 cfm.
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