Once upon a time, picking a cam for a given engine combo was all about compromise: improve top-end power at the expense of low-end torque, run well at wide-open throttle but sacrifice idle stability ...

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 existed, ...

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 ...

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 ...

Variable Valve Timing aka VVT is not exactly a unique technology. It’s been around for decades, helping automakers improve performance and meet stricter norms. Harley-Davidson did it most recently ...

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 adjustment ...