The use of a dyno to measure horsepower and torque is a valuable tool for the racer. If you use the dyno just to see what kind of torque and horsepower numbers your engine is developing, that may be ...

Diesel power has been a staple on most roads around the globe for decades now, with everything from trail-busting Toyotas to frugal autobahn cruisers opting to run on this alternative to gasoline.

Last month HPP introduced to the readers a '64 421 H.O. Tri-Power engine buildup being performed by Jim Taylor. The goal of the project is to try and find 100 additional horsepower in a cast-iron ...

Steam engines and internal combustion engines (indeed, most thermal engines) need a very large gap in temperature between the hot engine and the colder outside world to generate power. Think of it as ...