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 ...

A rev limiter is there for your benefit. Without it, you'd be facing down a potential busted engine and trickier launches, especially in higher horsepower vehicles. If you have a vehicle with a launch ...

Once you've purchased a new tachometer, thoroughly read the instruction manual. Then determine where you want to position the tach. Locating it on top of the dash may work on a race car, but it can be ...