Re: What carbs are these ?
If your carbs have the larger throttle bores that match the gasket in your picture with the larger holes, then you have the 1956 pass car (272 Y-Block) ECG6 Holley model 2110 carbs. It's possible they are ECG5' also (for '55 model year 272 Y-Blocks). Both have the larger 1 1/16" venturi's too. Highest air flow carb of this style that was factory installed on Ford cars because of the larger than flathead engine.
Sal
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