MOTORCRAFT 4350 4-Barrel: Description
The Motorcraft 4350 4-barrel carburetor consists of 3 main assemblies; air horn, main body and throttle body. Carburetor includes 5 basic fuel metering systems. These systems are idle circuit, primary metering circuit, secondary metering circuit, accelerating system and power enrichment system. Other systems include fuel inlet and electric assisted choke circuits.
Some Motorcraft 4350 4-Barrel carburetors are produced with altitude compensation devices. Purpose of altitude compensator is to lean out fuel mixture when operating at high altitudes. To improve high altitude cold engine starts, by-pass intake system included with compensation feature, is equipped with a choke plate linked to main choke system. High altitude system cannot be adjusted. Only service possible is cleaning of poppet valve and stem in aneroid bellows housing with appropriate choke cleaner.