In the previous installment (et 11/09) we took the squish out of our project S4, overhauling its chassis with some premium gear. This time we plan to make the go-pedal work better. In the case of ...

The Vortec 6000 doesn't really get the attention it actually deserves. The only engine of the Gen 3 small-block family to feature a cast-iron block is particularly good for high-output applications, ...

For Audi enthusiasts, there’s no car more iconic than the S4. First seen in 1992 as the UR-S4 and later as the iconic B-segment car in 1999, the B5 Audi S4 launched with a twin-turbo V6 as a response ...

The stock Audi S4 Avant, from the B5 generation, used to be pretty fast back in the day, but this tuned example is much more powerful. How much? Well, it is powered by a 3.0-liter RS4 engine with a ...

It’s every enthusiast’s dream to build a car that demonstrates both form and function. Whether you lean toward “show” or “go”, most cars dabble in a least some aspects of both spectrums. So when a car ...

Many PHers complain about the difference between review verdicts and their real-world experience of the car in question. The same disconnect can happen to professional reviewers. I know this because ...