Variable valve timing and variable valve lift may sound similar, but they're entirely different. Here are the differences between them and how they work.

The Advance CurveAll engines require an ignition curve based both on the requirements of engine rpm and cylinder filling (volumetric efficiency). This means that at 3,000 rpm with the throttle open ...

Beltdriven timing systems are nothing new in racing. Their usefulness was first proven in NASCAR's Sprint Cup Series, and since then the technology has trickled down to Dirt Late Model racing, the ...