Just how the heck do I calibrate the speedometer on my bike? I installed it myself, set the computer for my wheel size, and cycled...I noticed that it detected the distance to my work as slightly ...

Road Safety Support (RSS) has developed a new method for calibrating digital speedometers, resolving an issue affecting police forces across the country. Historic methods of speedometer calibration do ...

Swapping out factory rubber for taller (or shorter) tires affects trucks’ speed-sensor circuits, which can lead to errors in the speedometer readings and everything related to mileage figures from ...

There are many more driven gears available than drive gears. In traditional GM transmissions, typically available TH350 (also fits most manual boxes) driven gear selection ranges from 18 to 25 teeth.

So recently, I replaced my 2006 Honda S2000 with a 2007 Honda S2000. My new S2K did not come with stock rubber, and the rear tires are 5% larger than stock. The rear stock tires are 245/40ZR17, and ...

Slamming your truck to get it in the weeds on low-pro rubber or jacking it up for big, knobby meats will throw your speedometer out of whack. Most custom-truck builders know this, but few do anything ...

A recent update to Google Maps has allowed motorists to see the speed they are travelling, similar to the function already offered by the navigation app Waze. With GPS speedometers becoming more ...

The Australian Design Rule specifies that the speedo must not indicate a speed less than the true speed of the vehicle, or a speed greater than the vehicle’s true speed by an amount more than 10 ...