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 ...

These days, you can find a tachometer on practically any new car. Rental car or fleet-managed garbage truck, it doesn't matter; today's OE electric stepper-motor driven tachs are accurate and driven ...

The introduction of arrowhead tachometers on the hoods of Pontiac vehicles was a distinctive feature that set the brand apart in the automotive world. This unique design choice blended aesthetic and ...