As a vehicle's engine operates, the intake and exhaust valves open and close rapidly while the pistons move up and down in the cylinder. These mechanical actions require a constant supply of hot oil ...

The Chevrolet small-block engine was a brilliant piece of engineering, attested by the fact that well over 100,000,000 were built. However the first generation was not as oil-tight as later ...

For owners of a 2006 Cummins 5.9 diesel engine, every component in the engine bay plays a critical role in overall performance and longevity. Valve covers and their securing bolts are essential for ...

Adjusting Moto Guzzi valves is a fairly easy job. Here’s what you have to do for a basic valve adjustment: 1. Make sure the engine is cold; best to do this first thing in the morning after the bike ...