1942 Chevrolet BL Engine: 3.5L L6; with Governor; Position: Carburetor To Intake Manifold;. 1945 Chevrolet BL Engine: 3.5L L6; with Governor; Position: Carburetor To Intake Manifold;. 1943 Chevrolet BL Engine: 3.5L L6; with Governor; Position: Carburetor To Intake Manifold;.