Many gearheads buy their cylinder heads fully assembled and don't have to sweat making sure all of the various parts are set up correctly. But for those that build their own, or that just need to swap ...

Valve spring installed height plays an important role in engine performance and valvetrain reliability. Learn what it means and why getting the measurement right matters during an engine build.

We'll take a few of the more important clearances relating to the valvetrain and go through the procedure so you can clearance your enginebeforeassembly rather than discovering the problemafteryou've ...

A reader wonders how high the head of a valve should protrude from the surface of the head when installing new valves. Successful Farming Engine Man Ray Bohacz has engine grease and field dirt under ...