I drive a SsangYong Musso, and the speedometer consistently reads a few miles per hour above my satnav. I have always believed that the satnav would be the most accurate and reliable, but I recently ...

Viewer-submitted questions for The Car Doctor: Q. You have recommended a Slime wall-mounted air compressor in your columns. Is there a particular model you had in mind? A. I used the Slime “Garage ...

Speedhut makes this speedometer cluster for Jeep CJs. This GPS speedometer cluster is a direct replacement for OE gauges, and it reads accurately regardless of tire size without needing to be ...

A digital dash is cool and all, but analog gauges have lasting appeal. There’s something about the simplicity of a purely mechanical gauge connected directly to a vehicle’s transmission. Of course ...

Q: I recently purchased a portable GPS unit. I was cruising on the freeway the other day and noticed that the vehicle speed displayed on the GPS was consistently 4 mph less than the car’s speedometer.

Speedometer: Aftermarket modifications, such as different tire and wheel sizes or a change in the differential gearing, can cause speedometer inaccuracy. GPS: These devices are positional speedometers ...

GPS Speedometer project is making use of modules that simplifies the system design. It features an OLED 2828 Display Module and UBX-G7020-KT GPS Module in which both modules are connected to an ...

Apple recently revealed a new version of its CarPlay system for vehicles, which include gauges like speedometers. But even Apple, the company that cast aside tradition when it reinvented phones, music ...

Nitrous bottles, big blowers, and lumpy cams are the usual suspects to look for when smoking a hot street car out of a dimly lit alley, but why not just look at the gauges? As a hot rodder's general ...

Most people who own a car today take their speedometer for granted. A standard, unremarkable feature in every vehicle, it quietly does its job of indicating current speed with few frills. You might ...