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 ...

Your car once had a rock-steady speedometer needle, but now it’s wandering a bit — or a lot. Maybe it’s not indicating any speed or it’s showing 60 mph and you know that can’t be right. “An easy way ...

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 ...

Swapping out factory rubber for taller (or shorter) tires affects trucks’ speed-sensor circuits, which can lead to errors in the speedometer readings and everything related to mileage figures from ...

Remember calculating which speedo drive gear would make your speedometer and odometer read accurately after a gear and tire size change? if you own a new JK wrangler, those days are gone. Now the ...

Knowing your driving speed is extremely important for long drives, a trip to the local market, or just a short weekend getaway. Vehicles have various safety features loaded into them, but one of the ...