COMP Cams Valvetrain 101

engine tech

Variable Valve Timing: How it Works, What it Does

Variable valve timing and lift can dramatically change an engine's power output and efficiency. Here's how they work.

Alfa to get Ferrari-based V6, high-output...
The Ferrari-sourced V6 will probably power the 6C, as well as a sign…
Meet Toyota's tiny new turbo four
Just 1.2 liters big, the 8NR-FTS aims to be miserly rather than spri…