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Bruce Lancaster · 10-22-2014, 09:03 AM

Find the spec...your need is going to be close to the original size, maybe one down but not far from OEM.
ECG is 1955-6 Ford? Not sure on these later ones. I think this is the model with the round secondary venturis on the nozzles? I may have the specs at home. The common use of "94" as though it were a model number has really confused conversation on these things. These are of course not 94's, and have a number of changes that would affect jetting...maybe in ways that cancel! The bigger venturis would lower signal and demand bigger jets, the secondaries might well increase signal and cancel that out! Gotta start at or near factory jets.

10-22-2014, 09:03 AM	#5
Bruce Lancaster Member Emeritus Join Date: May 2010 Location: Madison, NJ Posts: 5,230	Re: Holley 94 ECG, rebuld but problem Find the spec...your need is going to be close to the original size, maybe one down but not far from OEM. ECG is 1955-6 Ford? Not sure on these later ones. I think this is the model with the round secondary venturis on the nozzles? I may have the specs at home. The common use of "94" as though it were a model number has really confused conversation on these things. These are of course not 94's, and have a number of changes that would affect jetting...maybe in ways that cancel! The bigger venturis would lower signal and demand bigger jets, the secondaries might well increase signal and cancel that out! Gotta start at or near factory jets.