While automotive speedometers are typically inaccurate, to a certain degree, GPS is usually more reliable, depending on your ...

Do you even look to see if the speedometer works when you buy an old car? When we shop for something built in the 1960s or 1970s, we assume the speedo needle winged off into the night or the cable is ...

Sometimes, the factory speedometer isn’t an option. Maybe you’re trying different wheel and tire combinations that throw off calibration. Maybe the gauge cluster finally gave up the ghost. Or maybe ...