A small gap with big importance in the performance and health of an engine - here's everything you need to know.

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...

Toyota Racing Development general manager Tyler Gibbs says the multiple engine problems Toyota has experienced this year appears to have been caused by faulty valve springs. Martin Truex Jr.’s Toyota ...

The conversation started during our LS7 engine build project that we hope to eventually put into a Late Model and take to the track. We realized at the last minute that the combination of an LS7 ...

February 2, 2006 UK-based RCV Engines is best known globally for its range of model aircraft engines but the unveiling yesterday of a prototype 125cc Rotating Cylinder Valve (RCV) scooter engine could ...