For typical overhead-valve (OHV), gasoline-fueled, street engines used in cars and light trucks, a 5,500- to 6,000-rpm redline seems to be the target speed for delivering a satisfactory daily-driving ...

The turbocharger is more popular than ever, appearing on the Ford Mustang, the Dodge Charger, and the Chevrolet Corvette.

Felix Wankel’s rotary engine design is best known for being the heart of Mazda’s beloved RX-series sports cars. Revered for its minuscule size, high power density, unique sound, smooth acceleration, ...

Engine Horsepower or torque: Which is better? It's a never-ending debate among those who build engines for a living. Take, for example, the following statements, all from recognized engine gurus: "I ...