You've spent more money on your engine than any other single component of your race car. And if you are like most racers, you're fine with that as long as your engine makes good power and doesn't ...

Drag racers have been searching for tricks to gain horsepower since day one, and there are lots of ways to do it without spending a tremendous amount of time or money. One of the biggest downfalls of ...

It may not be pleasant, but setting the valve lash on a high-performance engine is a skill that must be learned. The reality is that even the most savvy engine masters had to learn about lash at one ...

If we were all die-hard gearheads, we'd all run solid cams. A solid coupling between each cam lobe and pushrod makes the valves move directly in response to the lobe profile. That means the lobes can ...