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#1
08-05-2022, 07:11 PM
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stock fuel pump vs a fuel pressure regulator
STOCK Fuel pump for a friends 8.3:1 Pontiac 400. ( can size doesn't matter, its a driver)
The stock pump bypasses excess pressure to the return line to tank, leaving 4-5 psi to the Q jet. To replace the pump with a pusher ele. Pump outside the tank rated at 4-7 psi would eliminate the carb bowl evap issues. I have done this and left the factory pump in place and only had a 5 second limit on the electric. Worked fine. Question.. If a fuel pressure regulator adjustable from 4-7 psi Took the Place of the factory pump, and the electric pump left ON with key, will the SECOND output of the regulator ( has one in and Two out) act same as stock mechanical pump as a return line? CARB engine, LOW fuel pressure.. Anyone tried this on a stock style engine?
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