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ekneen · 01-28-2018, 06:18 PM

Looking for advice on a mechanical fuel pump with a PSI low enough for the quadrajet. Previously had a AC DELCO 40727, 7.5-9psi was far too high for the QJet. Input?

*Relevant info
Truck: 1969 K10 (Manual)
Engine: 1977 (Mark IV) 454
Carburetor: 1973 R4-4MV Rochester Quadrajet

01-28-2018, 06:18 PM	#1
ekneen Registered User Join Date: Jan 2016 Location: Somerville, MA Posts: 28	Fuel Pump (BBC) for a Quadrajet Looking for advice on a mechanical fuel pump with a PSI low enough for the quadrajet. Previously had a AC DELCO 40727, 7.5-9psi was far too high for the QJet. Input? Relevant info Truck: 1969 K10 (Manual) Engine: 1977 (Mark IV) 454 Carburetor: 1973 R4-4MV Rochester Quadrajet Last edited by ekneen; 01-28-2018 at 09:40 PM. Reason: specifying mechanical*