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 ...

Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

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 3.6 L V-6 on the 2008 STS is General Motors' first V-6 gasoline engine with direct injection. Combined with other powertrain changes including variable valve timing, the fuel economy of the STS ...

If your engine oil has not been changed on schedule, it could damage the VVT-i system. Change engine oil as recommended by your mechanic or the car manufacturer. Courtesy Photo It is obvious that with ...

New generations of small-blocks are generally accompanied by fanfare, ticker-tape parades, and claims of the greatest thing since Nutella hit sliced bread. But will some ignore the Gen V release as a ...