Engine builders explain how camshaft specs relate to horsepower targets, airflow, and rpm in LS, Coyote, Hemi, and ...

This overlooked engine part controls everything, and most drivers never think about it.

With free-flowing heads and high-ratio rockers stock, General Motors' LS engine series (and by LS we also include the LQ9, L99, and L92) just cries out for dual-pattern cams with ...

When it comes to upgrading small-block engines, camshafts are a popular choice for enhancing performance. Different camshaft types can significantly alter how an engine breathes and performs, offering ...

Your car's camshaft — or camshafts if your vehicle has a DOHC engine — is a vital component that plays a critical role in the internal combustion process. Its job is to synchronize the opening and ...

An engine builder ranks the classic 5.0-liter Ford Racing letter cams. His top choice helped create an 11-second Fox combo.

It's appropriate, we think, that a camshaft has lobes, since this relatively simple device is so often called the brains of an engine. And indeed, a camshaft does direct several engine functions in a ...

Maybe you're one of those drivers who loves to tinker around under the hood. Perhaps, instead, you feel safer hurrying off to a professional whenever something seems amiss. You don't need to be an ...

Suck, squeeze, bang, blow. These are the four strokes of the reciprocating, internal-combustion engine (ICE) that Nikolaus Otto patented in the 19th century. The action of the intake valves that allow ...