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 ...

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

You can pick your nose, but you can't pick the engine for your fifth-gen Camaro SS--those who opt for the automatic transmission get an L99 under the hood while a manual transmission-equipped ride ...

Choosing the right camshaft to match your engine combination can be confusing. It's also very important to use the proper valvetrain components that will work reliably with your camshaft of choice.

The internal combustion engines that power our vehicles have come a long way in the past several decades. Not only have they become more efficient and better for the environment, but car engines have ...

Last month's "How It Works" story gave you the basics of the four-stroke cycle, describing the motion of the intake and exhaust valves in relation to the piston moving up and down in the cylinder.

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