Four-cylinder engines are usually associated with efficiency and compact packaging, yet a handful of engineers have stretched the format to astonishing sizes. The five engines below represent some of ...

From the October 1987 issue of HOT ROD: A Super Duty conversion kit that could give your Fiero the kind of performance its styling implied. Pontiac's Super Duty 4-cylinder engine has established a ...

What has Mercedes-AMG learned from Formula One Racing— other than how to dominate the one of the most fascinating sports on earth? The power of electric motors to push technology way past the point ...

When Tom Nelson recently posted pictures and a video on Instagram of this unique engine he’d just finished, we knew we had to stop by for a closer look. A cursory glance at those unmistakable valve ...

While electric and hybrid power trains are leading in the performance race, when it comes to pure internal combustion engines, you'd think the only way to achieve horsepower heaven would be to get a ...

BMW just unveiled the M2 Racing, based on the roadgoing M2 — but instead of an inline-six, it has a four-cylinder engine under the hood. Has BMW gone the way of the E30 M3 and determined that ...