HELP.....Fuel Pump Question??? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

novajess1972 · 11-30-2006, 02:09 PM

This is simple, I'm sure, but I didn't remove the lines, so now I have no reference of what goes where

Anyway, I have your standard mechanical fuel pump that was already attached to the BB I just dropped in. I know that the nozzle (or whatever it may be called) facing toward the front is the one that shoudl run to the carb...or from the carb. However, there is another nozzle on the underside of the F/P and then a hole with threads on the backside of the F/P, facing rearward. What are the underside fitting end and rear side threaded hole for? I'm sure that one is the return, but which one? Then what's the purpose of the other??

HELP!!!!!!

11-30-2006, 02:09 PM	#1
novajess1972 Registered User Join Date: Sep 2006 Location: Houston, Texas Posts: 190	HELP.....Fuel Pump Question??? This is simple, I'm sure, but I didn't remove the lines, so now I have no reference of what goes where Anyway, I have your standard mechanical fuel pump that was already attached to the BB I just dropped in. I know that the nozzle (or whatever it may be called) facing toward the front is the one that shoudl run to the carb...or from the carb. However, there is another nozzle on the underside of the F/P and then a hole with threads on the backside of the F/P, facing rearward. What are the underside fitting end and rear side threaded hole for? I'm sure that one is the return, but which one? Then what's the purpose of the other?? HELP!!!!!! __________________ 1985 SWB Silverado 1/2 Ton 1972 Chevy SWB 1/2 Ton (sold) 1972 Chevy Chevelle SS (sold) 1971 Chevy Nova (sold) 1967 Chevy El Camino (sold) 2001 Mustang Bullitt (sold) 2019 Toyota Tundra Crewmax (daily)



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