MOTORCRAFT Model 2150 2-Barrel: Description
The Motorcraft 2150 carburetor has 2 main assemblies: the air horn and main body.
The air horn contains choke plate, fuel bowl vent, and hot idle compensator. The main body houses throttle plate, accelerator pump assembly, float assembly, power valve and fuel bowl.
Each bore contains main and boost Venturis, main fuel discharge, accelerator pump discharge, idle fuel discharge and throttle plate.
On some applications, booster Venturis contain variable high speed bleed control system. This system allows control of air/fuel mixture for improved high speed operation and low speed responses.
Vehicles sold for high altitude use (above 4000 ft. or 1219 m) contain an altitude compensator. This circuit compensates for thinner air by metering an additional amount of air into the air/fuel mixture, preventing an over-rich situation. An aneroid (automatic device) reacts to atmospheric pressure and overrides the compensation feature at lower altitudes.