In this tech article HOT ROD provides a guide to variable valve timing (VVT) technology which can be found in most late-model performance engines and we explain how hot rodders can get the most ...

Honda did not invent variable valve timing or variable valve lift. In fact, Cadillac had a driver-operated variable valve timing system in production in 1903, three years before Soichiro Honda was ...

The first production car engine with variable valve timing (VVT) came from Alfa Romeo in 1980. It was installed in the fuel-injected Alfa Romeo Spider. Before this, a few experimental systems ...

We’ve just heard that Piaggio Group, parent company to Aprilia, is working on a mechanical variable valve timing (VVT) system – and the first to reap the benefits of the tech will be none other than ...

His latest effort involved building a single-piston air-powered engine that is outfitted with a VTEC-like variable valve timing system. The key to the system is in the engine’s head.

BMW's variable valve timing system entered the scene in 1992. VANOS evolved into Double VANOS in 1996 with the S50B32 engine of the E36-gen M3, double VANOS meaning continuously variable ...

“The new patents for a Hayabusa with variable valve timing… [adds] VVT system to the existing bike while avoiding expensive redesigns of major parts like the frame.” “Despite its legendary status, the ...