Re: Double pumper Holley problem.....
I blew carb cleaner through main body with bow off and watched it spray through nozzles. The diaphragm is new from kit I just ordered, don't see any rips....can hear and feel air squirt through pump on bowl if I pump with finger....not sure if it's pumping strong or not but I feel air.
The bowls I have are old styles, and I pulled the brass check ball out and used red umbrella, but I notice old bowls have groves where umbrella goes. Ive seen the red umbrella checks in newer bowls with flat areas where umbrella sits......if that's the case I'd need new bowls.
What's crazy is it will idle when running and opening throttle it builds up rpm, but there's nothing squirting out prime or secondary, how is it possible for it to run??
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: Eli540
86 gmc 2500 longbed Carb 5.7, rwd,
400 tranny.
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