Viknesh Vijayenthiran June 26, 2008 Comment Now! Audi will implement a new valve-lift system for its direct-injection 2.8L and 3.2L V6 engines in the A4, A5, A6 and A8 models that’s claimed to boost ...

From the September 1997 issue of Car and Driver. During our first drive of this new five-valve Audi A4 2.8, we noticed that the only cars able to force us out of the blazing left lane of the autobahn ...

With drivers around the world looking to save money at the pump, automakers are scrambling to find new ways to improve fuel-economy in their vehicles. With the current focus on sophisticated new ...

There is no question that the DOHC 5.0L Coyote engine has taken Mustang performance to new levels, and the spotlight, but if you have a Three-Valve 4.6L, there are still a lot of performance options ...