OverHead Valve Engines

What does overhead valveĀ engine mean? An (OHV) overhead valveĀ engine is just what it says, the valves are placed over the head of the pistons. This was an improvement over the old flat head engine, where the valves were placed in the block next to the piston. OHC, SOHC and DOHC engines place the camshaft overhead […]