The Volkswagen VR6 engine has been used in the VW Golf GTI, Passat, Phaeton, Touareg, Beetle, and many of the golf generations, among others. The VR6 engine is a bit of combination of a "V" style ...

From Street Stock to Winston Cup, the three most important areas for engine performance improvements are cylinder heads, valvetrains, and intake manifolds. In particular, cylinder heads affect most ...