NASCAR Cup engines live in a strange space: they are tightly regulated, largely hand built, and expected to survive hours at full throttle while still making headline power. The rulebook caps ...

Top Fuel drag races feature a top of its class dragster that is unbelievably fast. However, exactly how much horsepower can ...

The five-cylinder engine is uncommon relative to the ubiquitous four-cylinder, six-cylinder, or eight-cylinder variants. As an odd-number engine, it certainly is in a class of just three such engines.

"There are no bad ideas in a brainstorm," they say. Only slightly lesser well known is, "if there's a four stroke piston engine that's not a radial, Formula 1's tried it." There have been inline fours ...

The inline-6 engine layout has its fans in the gas world, but it's the de facto standard design among diesel aficionados. Hardly surprising, as these engines are less complex than any V layout and ...

How boxer engines work, why they’re not just “flat” engines, and a 120-year evolution traced from the 1899 Benz to the latest Porsche and Subaru boxers. Boxer engines feature flat, opposing pistons ...

Despite the steadily rising popularity of turbochargers and superchargers for hopping up early- and late-model hot rods, nitrous oxide, better known as “throttle in a bottle,” has never lost its ...