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 ...

Like other speedometers, the Sun Electric is factory-calibrated for normal passenger-car use. Unit features indirect lighting for easy reading. Late in '75 Sun expects to have a mechanical-drive ...

If you drive your hot rod, even once in a while, then you depend on all of your gauges to be reliable and accurate. Just a small percentage of miscalibration can result in engine damage or failure, ...

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 ...

You may be driving faster, or slower, than you think you are. Speedometer inaccuracies happen, and can be partially to blame for that seemingly bogus speeding ticket. Dan Edmunds, an automotive ...