From '65-'93, Mustang speedometers were cable-driven mechanical instruments that worked on the eddy current principal-a magnet whirling around inside a shell attached to an indicator needle. The ...

How many times have you found yourself suddenly confronted by a speed limit sign, then in a panic you look at the bouncing speedometer pointer and immediately start doing math in your head. "Let's see ...

Thanks to GPS satellites, ClassicInstruments' Sky Drive can turn your speedometer into the world's most accurate speedometer possible by updating 10 times per second! Plus, it can be a GPS enabled ...