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 ...

Normally, a car's rpm increase steadily and predictably as you step on the gas pedal. But there are several reasons why this ...

Modern diesel engines perform exceptionally well at 1,100 to 1,200 rpm. They deliver peak torque just a few hundred rpm above idle, and peak horsepower somewhere around 1,500 or 1,600 rpm. But what ...

Why has Husqvarna issued a recall for Svartpilen 401? According to the company, internal testing identified a condition that, in certain cases, could cause the engine to stall at low rpm. While only a ...

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: ...