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

Any gearhead worth his or her salt knows that whether it's a SOHC, DOHC, or OHV engine, the camshaft is considered the brain of a four-cycle internal combustion power plant. The camshaft's profile ...

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 ...