In the May issue, we addressed classic Mustang instrumentation from an electrical system standpoint-temperature, fuel, and oil pressure gauges along with ammeters. But what about the nuts and bolts of ...

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 ...

Auto Meter's 170 series speedometer is available in three mph ranges: 120, 160 and 200 mph. These electric meters feature a built-in calibration screw, permitting easy adjustment of the needle. This ...

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 ...