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 ...

It’s a good bet most anyone reading this article is quite familiar with the bright yellow 1957 Chevy 2-door coupe that’s known as Project X. This article on how to install an electric tachometer in a ...

If you’re into anything even vaguely mechanical on the broad hacking spectrum, you’ve come into contact with things that spin. Sometimes, it’s important to know precisely how fast they are spinning!

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 ...