1960 Chevrolet C40 Engine: 4.3L L6;FuelSystem: 2BBL; Position: Carburetor To Governor;. 1960 Chevrolet C40 Engine: 4.3L L6;FuelSystem: 2BBL; Position: Carburetor To Intake Manifold;. 1960 Chevrolet C40 Engine: 4.6L V8; Position: Carburetor To Governor;.