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

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

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 ...

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 ...

The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ruckus while doing it. Mechanical lifters were adequate for valve operation ...

After spending almost a year reinventing the wheel and trying to sort out our custom coilovers from Koni and Ground Control, we finally have the time to make some additional power. In the case of our ...

Owners of 5.7 and 6.4 Hemi V8s are not imagining things when they hear that sharp tick at idle or face a four-figure repair bill long before the odometer suggests a major overhaul. The pattern of ...