Variable Valve Timing isn’t a new concept in motorcycle engines. The likes of BMW and Yamaha have been using this setup in their motorcycles for a while now. Even Suzuki itself implemented it on the ...

When it comes to eight-cylinder gas engines, GM has some twisted engineers who are hard at work in its labs. No, they're not crazy, unless you consider the almost fanatical obsession they have with ...

QUESTIONI'm in the process of transplanting an L77 from a 2012 Caprice 9C1 PPV [police pursuit vehicle] along with its 6L80E [six-speed, longitudinally mounted electronic automatic overdrive ...

Variable valve timing (VVT) and variable valve lift (VVL) have very similar names, both referring to variable valve performance. Does that mean that they are basically the same thing? The are most ...

Suzuki’s R&D department have filed a flurry of patent applications showing a variable valve timing system specifically aimed at the Hayabusa hyper bike – suggesting that even as the Busa hits its 25th ...

When Chevrolet announced that the fifth-generation Camaro would come with two different V-8 engine depending on what transmission the customer ordered, many enthusiasts were a bit confused. The LS3, ...

Since the beginning of hot rodding, gearheads have endeavored to increase the performance of internal combustion engines through the optimization of valve timing. It's been proven time after time that ...

GM Powertrain announced today it will deliver a 3.6-liter V-6 gasoline engine with direct injection and variable valve timing (VVT) technologies in the 2008 model year. A vehicle application will be ...

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 ...

Ben came to MCN back in 1997 fresh from university and dropped plans for a career in law to pursue the dream of writing about bikes for a living. Landing as a junior news reporter he discovered a ...

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.