Ever since the first race cars were built, it's been helpful for drivers to know their engine speed. It may sound obvious, but engine power is always a function of engine speed, so accurately knowing ...

Every year, us lucky editors sit down with aftermarket manufacturers and listen to their best new product pitches. Going in, we never know if we'll be stifling back yawns, or if a new product is going ...

The Chrysler engineers didn't get their degrees out of a Cracker Jack box. The engine and transmission on eight-lug trucks have been designed for OEM specs. Adding power chips, exhaust manifolds, and ...

Stick-type pressure gauges resemble a ballpoint pen are simple and compact, and don't need batteries. Pressure is read off of a sliding scale proportional to the air pressure. Digital gauges have an ...

Omega’s new HHM8229 5-in-1 autorange digital multimeter offers temperature, RH, sound, light and digital multimeter features all-in-one device! It features a large backlight LCD display for easy ...

They say knowledge is power but when it comes to horsepower, you need to know what’s going on underhood at any given moment. It doesn’t matter if it’s a race car or your daily driver, having vital ...