It’s the latest in instrumentation for the well-appointed shop — an acoustically coupled fast Fourier transform tachometer. Sounds expensive, but it’s really just using a smartphone spectrum analyzer ...

The Lexus LFA's digital tachometer addressed engineering challenges while adding emotional drama to the supercar's cockpit.

Dear Car Talk: I have a new 2017 Honda Ridgeline. The speedometer is digital; it shows numbers only. It has no dial. However, it still has an analog tachometer. The transmission is an automatic ...

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 ...

Porsche has always had due reverence for heritage and tradition in its designs. It’s been building the same car for almost 60 years, after all. When it comes to the new Cayenne’s interior though, the ...

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!

With more and more new-car buyers choosing automatic transmissions over manuals, why do tachometers still have such a large presence on dashboards? The tachometer displays engine speed in revolutions ...

There are plenty of watches out there more or less inspired by cars, but someone on Kickstarter claims they designed a model like no other. Called Rallynetics, the affordable timepiece is specifically ...