Variable valve timing and variable valve lift may sound similar, but they're entirely different. Here are the differences between them and how they work.

Suzuki’s current GSX-R1000 has a variable valve timing system it got from the GSX-RR Moto GP bike. It’s an all-mechanical system and a darn good one. However, it seems Suzuki will drop that tried and ...

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 ...

The tough guy in you says to stab that cam in retarded a few degrees for maximum top-end horsepower, while your more practical alter ego suggests advancing it a hair for improved low-end torque and ...

Variable valve timing isn’t necessarily a new idea, but it is new to BMW motorcycles. With a freshly designed 1,254 cc two-cylinder flat engine, VVT is arriving in BMW bikes for the first time with an ...

Decades ago (OK, half a century or more), there was a product advertised in many of the performance magazines called the Varicam. The idea was a set of springs attached to a centrifugal device that ...

The global automotive VVT system market size was valued at USD 56.2 billion and expected to reach USD 87.9 billion by 2027, with a compound annual growth rate (CAGR) of 4.3% during the forecast period ...

VVT Cam Swap: Fear VVT and AFM no more! Swapping cams on an L99 is easy and good for tons of power OK, so you checked off the option box for the 6L80E automatic when ordering up your new fifth-gen.

The jargon goes well beyond just names. Car specs are full of abbreviations that may or may not have any meaning at first glance. And sometimes we get so used to seeing those abbreviations that we may ...