Knowing your engine's speed is important in order to keep the engine in its powerband and not over-rev as you shift through the gears. That's why installing a tachometer, such as the cost-effective ...

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 ...

Not only do tachometers look tough hanging from the dash, they also provide a needed service: monitoring the rpm. Keeping track of the Rs on your truck may not seem like a big deal unless you're a ...