Carburetor: Description and Operation

Fig. 2 Exploded view of Rochester Quadrajet carburetor (Part 1 of 2):

Fig. 2 Exploded view of Rochester Quadrajet carburetor (Part 2 of 2):

The Rochester Quadrajet, Fig. 2, is a four barrel two stage carburetor incorporating three main carburetor assemblies, the air horn, float bowl and throttle body assembly. This carburetor incorporates six basic operating systems which are the float system, idle system, main metering system, power system, pump system and the choke system.