Section 6 · Pages 153–175 (23 pages)

Engine Mechanical

From the 1941–1942 Pontiac Shop Manual

The L-head Six (90 horsepower) and Eight (103 horsepower), which have the cylinder block and crankcase cast in one piece and sit on three rubber mounts. The section covers removing and replacing the engine, the oil pan, the harmonic balancer and the timing sprocket cover, the rear main bearing, and fitting main and connecting rod bearings. It also covers piston pins and bushing burnishing, pistons and rings, the camshaft, valve springs and valve timing, with specifications.