Ford (AUTOLITE) 4-Barrel Models 4300: Adjustment: Unloader

Hold throttle valves in wide open position, rotate choke valve toward closed position until pawl on fast idle lever contacts fast idle cam. Use gauge or drill of correct size (see Specifications ) to check clearance between upper edge of choke valve and air horn wall. If clearance not correct, adjust by bending pawl on fast idle speed lever forward or backward as necessary.