Nothing determines the "personality" of an engine more than the camshaft. Think of the cam as a mechanical computer, calling the shots on when and how the valves open and close. That computer is ...

Camshafts are simple devices, but important ones. Modern engines can have one or more intake and exhaust valves, and it's the camshaft's job to open valves precisely as the engine runs, supplying the ...

Testing. It’s the backbone of hot rodding, and it’s how we separate facts from fiction. It’s also where we generate even more questions, which often results in, you guessed it, more testing. The ...

The camshaft orchestrates every intake and exhaust event in the engine, and a single worn lobe can kill power to an entire cylinder. Oil starvation during cold starts is responsible for a ...