Before the implementation of hydraulic lifters to keep the engine's valves in proper working order, regular adjustment was required to maintain the critically necessary clearance in the valvetrain.

A properly tuned engine is an incredible mix of components all moving in harmony. Air, fuel, and metal all working together to produce that precious magic we gearheads call torque. A critical factor ...

Under a tree, in a remote corner of the earth, there is a guy adjusting his hydraulic valve lash with the valve cover off and the engine running. Yes, it's true. We've seen it. Proof is that you can ...

Aaron, a 27-year automotive technician and lifelong car enthusiast, attended Specs Howard School of Media Arts and learned the fundamentals of digital video and editing, shot composition and writing.