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 ...

Since this magazine is in your hands, it means you're one of those forward-thinking car crafters who appreciates a powerful street engine and wants to learn more. Ever since the first LS1-powered ...

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 ...

The V8 engine as we've long known it is becoming a unicorn in the marketplace. This once-beating heart of virtually every automaker around has largely been scrapped in favor of smaller, typically ...

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 ...