The centerpiece of the Temerario is its all-new 4.0-liter twin-turbocharged V8 that makes 907 horsepower and has a 10,000-rpm ...

Hydraulic roller cams have plenty going for them, including power, reliability, and reduced friction. Heck, even the OEMs have embraced the benefits of hydraulic roller cams. Often thought of as the ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

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 ...

When discussing speed in relation to a car or truck, the conversation usually refers to miles per hour a vehicle can travel, as seen on a speedometer. However, aside from the vehicle, the engine too ...

One of the most highly-strung engines to ever go into a production car, Honda’s F20C redefined high-revving naturally-aspirated performance in the late ‘90s. The Honda F20C engine set a record with ...

Honda has been forced to soften the output of its celebrated 1.5-liter turbocharged four-cylinder engine to satisfy tightening emissions regulations in Europe, a move that trades raw performance for ...

The era of cheap high-revving engines that once screamed up and down America's highways has largely faded as fuel economy and emissions regulations have forced automakers to rethink how modern cars ...