My understanding is that with speed sensors on the hub instead of rotating mass, that modern cars are self-correcting ECU's now. There are too many other metrics that rely on vehicle speed such as stability control to have to manually adjust them anymore.Can a tuner calibrate for changing tire sizes? I'm used to obd1 cars.
Yes. If you order a custom tune, you can specify the diff ratio and tire size. Generic tuner products usually support this as well. You can also take it to a Ford dealer and have them change it (for a fee).Can a tuner calibrate for changing tire sizes? I'm used to obd1 cars.