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 above 3250 feet, depending on engine calibration.

All carburetors are equipped with an idle fuel shutoff solenoid. Some models incorporate a decel idle fuel shutoff circuit within the solenoid to shutoff fuel flow to idle system when directed by the computer. 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.