Everything you need to know about the small gap between valvetrain components that is essential to the health and performance ...

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 ...

One of the biggest hassles with a solid (mechanical tappet) cam is the need to regularly readjust valve lash, a task usually associated with an aggravating hot oil bath. The best method of setting ...

Once upon a time, most car engines used solid or mechanical lifters. But unlike most fairy tales that begin that way, there was no lasting happy ending for them. Hydraulic lifters first appeared in ...