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 ...

There are few things in an engine that are more critical to its behavior and performance than the camshaft. Sure, headers, a better manifold and carburetor can also contribute to improved driveability ...

Two cams with similar durations at 0.050-inch tappet lift can behave differently depending on the profiles' intake and exhaust opening and closing points. The characteristics of the same cam can also ...

Most enthusiasts start with the basics, which usually include a cold-air intake system, high-flow cat-back exhaust and mandrel-bent tubular header. These simple bolt-on upgrades can easily increase ...