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 ...

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 ...