Desmodromic valvetrains allow for higher revs without needing to worry about valve float. So why do automakers not often use ...

This is contemporary information about what happens when a camshaft imparts motion to a valve. Some of the events are good, some not. Most of them result in power, but not all. We'll talk about the ...

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 ...