General Motors sees a future for engines with overhead valves, a technology most automakers have abandoned in favor of overhead camshafts. GM will introduce a new family of overhead-valve (OHV) V-6s ...

In an overhead valve (OHV) engine, the valves are mounted in the cylinder head, above the combustion chamber. Usually this type of engine has the camshaft mounted in the cylinder block, and the valves ...

Some automakers are famous for specific cars, others for innovating when the world seemed stuck in the mud. Some, like Volvo, are famous for safety, but some fly under the radar, their greatest ...

The EH36 OHV (overhead valve) slant cylinder four-cycle engine offers a maximum power output of 11.5 hp, and meets EPA Phase 2 and CARB Tier II requirements. Weighs only 68 lbs. with a height of 17.32 ...

If you have an internal combustion engine that actually runs, then your camshafts are spinning twice as fast as your crankshaft. Change the rate at which either of the two spins in relation to one ...