At the closest piston approach point to the valve, clearance can change more than 13 percent with a big cam and/or a hard-core engine originally built to tight clearances.

piston valve 3 Articles Deleting The Camshafts From A Miata Engine February 24, 2021 by Danie Conradie 57 Comments ...

Signs That You Need Valve Clearance Adjustment As the valves are within your engine, all the symptoms will be connected with it. As such, you may experience the following: Cluttering noises. The ...

True V-8 engine performance comes from ensuring airflow flow in, out, and through the combustion chamber is the best it can ...

It suffered minor piston-to-valve contact from an over-rev condition and required a hammer and large punch to remove the pin. This will now occupy a place on our engine Wall of Shame.

A simple slide valve is used, allowing steam to flow to one side of the piston and the other alternately, as driven by an arm coming off the flywheel attached to the engine’s output shaft.

The Floating Piston Valve employs a balanced floating piston; it was invented by a NASA engineer (Bruce Farner) to solve chronic problems associated with ultra-high pressure, high-volume fluid flow ...