If you've been following along with us, Glenn Sands, and Valley Head Service during the last few months, you can probably appreciate just how many hours it really takes to carefully blueprint ...

The Porsche 718 GT4 RS features a 4.0L naturally aspirated flat-six paired with an Akrapovic slip-on exhaust, producing a ...

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 ...

Those loyal readers who follow Super Chevy will remember our two-part Legendary Small-Blocks dyno series. It included such great names as the L76, the LT-1 and the Z/28's 302. We followed up part one ...

The Peugeot prototype powered by a 3-rotor 20B engine delivers an extreme rotary engine note at 11,000 RPM. This video ...

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 ...

It's not unusual for modern performance cars to make over 200 hp/liter, with ultra-exclusive supercars even breaching the 300 hp/liter mark. Of course, these figures are achieved by forcing massive ...

To understand the benefit of a turbo, we need a refresher on the basics of the combustion process. In any four-stroke combustion engine, the intake sucks clean air through the filtered intake and into ...

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 ...