A camshaft uses egg-shaped “cams” to open and close engine valves (one cam per valve), while a crankshaft converts “cranks” (the up/down motion of the pistons) to rotational motion. Located in the ...

While not as glamorous as other mechanical systems in the engine, the method used to drive the camshaft off the crankshaft can affect the power output, durability and reliability of an engine. That's ...

Back in the days before variable valve timing (VVT) and computer-controlled engine tuning, one of the best ways to improve stock engine performance was to install an aftermarket camshaft, a process ...

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

Since we worked on the head and valvetrain in our budget B-series build this month, we figured now would be a logical time to cover a camshaft basic. One of the keys to making power is to properly set ...

The three most common cam-drive systems are (from left to right) the gear drive, the double-roller chain and the flatlink timing chain. Not shown is the cogged belt drive, which is mainly used in full ...