An engine number is a special alphanumeric code that is imprinted on a motorcycle engine, and its primary use is as a unique identifier for the engine. Manufacturers differ on what is included, but ...

Engine knock is the sharp, metallic sound that cuts through the hum of a healthy engine. At its core, engine knock is a problem of timing. In a knocking engine, parts of the air-fuel mixture don't ...

Driving your car for long hours or on long trips can have several effects on the engine, some of which can be positive while others may result in wear and tear if not properly managed. The impact on ...

For many people, driving is as simple as hitting the gas to go — for more engine power — and using the brakes to stop. But your motor can actually help slow you down in certain situations, too. It's ...

In the interest of preserving hot rodding history, we frequently republish old stories simply for the fun of it, but in cases like this camshaft technical overview from three decades ago (“Choosing ...

Half the crowd cheers, half winces — and both sides have a point.