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, ...

Speedometer-gear calibration and selection should be an integral part of any changes to your Mustang's chassis or driveline. Changes to wheel and tire size alter the speedometer reading because the ...

So recently, I replaced my 2006 Honda S2000 with a 2007 Honda S2000. My new S2K did not come with stock rubber, and the rear tires are 5% larger than stock. The rear stock tires are 245/40ZR17, and ...