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.

If we were to ask for a show of hands, it’s a safe bet to assume many enthusiasts would reluctantly admit that camshaft theory is one of those topics that causes more than a little consternation. You ...

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 ...