1961 GMC 1500 Series Engine: 4.3L L6;FuelSystem: 2BBL; Position: Carburetor To Intake Manifold;. 1961 GMC 1500 Series Engine: 4.6L V8; Position: Carburetor To Governor;. 1962 GMC 1500 Series Engine: 4.3L L6;FuelSystem: 2BBL; Position: Carburetor To Intake Manifold;.
