Inline 4-cylinder OHV Internal Combustion Engine with Camshaft in Crankcase and Push Rods activating Overhead Valves (OHV)
V-8 (8-cylinder Side Valve) Engine with Flathead Combustion Chamber. The valves are placed in the engine block beside the piston, instead of in the cylinder head, as in an overhead valve engine. Source: 1932-38 Ford Factory Shop Service Manual.
Ford Flathead V-8 Internal Combustion Engine