But officer, I couldn’t have been going that fast.” If you’ve ever uttered that statement, you know just how important the speedometer in your vehicle is. So, for a variety of obvious reasons, the ...

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 ...

We don't have to tell you that late-model overdrive transmissions have become a prototypical upgrade for any kind of performance car. The number and variety of these transmissions makes that decision ...

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 ...

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 ...