Carburetor - MOTORCRAFT 740 2-Bbl: Description

Motorcraft Model 740 is a 2-stage dual venturi downdraft type carburetor. It features 5 basic metering systems: choke, idle, main metering, acceleration and power enrichment. Carburetor also includes an altitude compensation system that operates between 3500-4000 feet, depending on engine calibration.

All carburetors are equipped with an idle fuel shut off solenoid. Some models incorporate a decel idle fuel shutoff circuit within the solenoid to shutoff fuel flow to idle system when directed by the fan cooling controller. Some models are also equipped with a wide open throttle (WOT) A/C cutout switch to disengage air conditioning compressor clutch at wide open throttle operation.