Originally Posted by
dedwards0323
I understand that a weight reduction or increase will impact MPG. But if the only change is tire size, are you both telling me that due to electronics in the XFire, the speedo/odo in the Crossfire will automatically correct itself when either a smaller or taller tire diameter is installed? If it does, I'll buy the argument.
If it is the electronics in the XFire that enables this fact, that's an improvement from when changing tire size directly impacted Speed/Odo accuracy.
yes! with my 275/35 19 my speedo reads 80 I am really doing 77.5 by my Magellan gps this way you save more gas because you think you are doing 80.