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Daves55Sedan · 11-15-2019, 06:16 PM

If the main body of the carb has the FORD oval embossed on the side of the float chamber, it is probably an EBU which was used in all '54, 239 Y-blocks and some '55 cars with 272 Y-block and probably all '55 Ford F100's with 239. The opposite side of float chamber is stamped EBU. You will notice on the back of the main body is a circle with the number "1". That indicates it has 1 inch venturi's.
Probably most of the later '55 cars were equipped with the Holley 2100 instead of the old EBU. The Holley 2100 looks nearly identical to the EBU and is fully interchangeable without modifications to original linkage or air cleaner. On the back of the Holley 2100 main body is a circle with "1-1/16". That means it has 1-1/16 inch venturis.

11-15-2019, 06:16 PM	#11
Daves55Sedan Senior Member Join Date: May 2010 Location: Granite City, Illinois Posts: 3,008	Re: 1955 ford with 2 barrel ford carb If the main body of the carb has the FORD oval embossed on the side of the float chamber, it is probably an EBU which was used in all '54, 239 Y-blocks and some '55 cars with 272 Y-block and probably all '55 Ford F100's with 239. The opposite side of float chamber is stamped EBU. You will notice on the back of the main body is a circle with the number "1". That indicates it has 1 inch venturi's. Probably most of the later '55 cars were equipped with the Holley 2100 instead of the old EBU. The Holley 2100 looks nearly identical to the EBU and is fully interchangeable without modifications to original linkage or air cleaner. On the back of the Holley 2100 main body is a circle with "1-1/16". That means it has 1-1/16 inch venturis.