750 CFM Electric Choke Quadrajet 4 Barrel Carburetor
Specification: 4-BBL carburetor from THUNDERMINGO For Rochester Quadrajet can range anywhere in between 600 and 800CFM. Most are rated 750 CFM.The size of jets that pre-installed:Main jet: 190, Idle jet: 120, Auxiliary Venturi: 7mm; Venturi(Choke tube):31.7mm, Air correction jets: 190, Needle valve: 3.3.