Bear with me while I complain like a little girl whose shoes are too tight. I'm sick of answering the same "Why doesn't my speedometer register correctly since I swapped tire sizes?" question over and ...

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 ...

Marlan, I am hoping you can help me. I'm running a TH350 tranny in my 1955 Chevy. It has a stock 3.55:1 rear gear, the plastic drive gear has 20 teeth, and I'm running 15-inch tires. The speedo has ...

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 ...

I just drove nearly 700 miles in my 1985 Jeep J10 pickup, and encountered a failure so absurd, I'm still not sure I believe it: My speedometer is leaking buckets of oil onto my feet as I drive. While ...

As part of the Honda Ecological Drive System (HDAS) that will be included with the 2009 Honda Insight, drivers will be alerted to their driving habits by a color coded speedometer. When driving with a ...