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.

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 ...

Everybody kind of knows what it is and has a picture in their mind of what a camshaft looks like, but maybe not a full understanding of what it really does or the technological advances that ...

The camshaft has to be one of the most complex subjects in car tuning. But what do cams actually do? We’ll be answering that and everything else you need to know about them in this guide. Well, to put ...

The term “camming” refers to the modification of a truck’s camshaft. While it may sound justifiably complex, the process of changing out the camshaft allows you to build a custom engine that performs ...

We’ve offered serious cam discussions in the past; however, this month’s How It Works takes it to a whole new level. Cam tech is indeed a complex science, but the typical hot-button itemslike how ...