I have a Dodge that I suspect the VSS is going bad on. The speedometer jumps around sometimes, and is frequently off by 10mph or more. I called Dodge and they suggested replacing the VSS as a start.

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, ...

The basic formula for the job goes like this: New tire size divided by old tire size multiplied by speedometer reading equals actual mph. Not that difficult, but it only works for your head. Your ...