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, ...

Here's how car speedometers calculate how fast your vehicle is going. And here's why they may not always be accurate.

You should be proud of yourself. You just updated that 1969 Firebird from a leaking, old 326 and Powerglide to an LS3 and a fully-electronic 4L60E four-speed overdrive automatic. The Firebird now ...