Big, naturally-aspirated engines are cool, but not the only way to generate horses. Engineering and ingenuity give these four ...

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 ...

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 ...

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 ...

The DeltaWing raised more than a few eyebrows when it showed up at the 2012 24 Hours of Le Mans. Racing under the Garage 56 banner, the experimental single-seater was shaped like a land-bound fighter ...