Oh-ate6.4PSD
New member
I got 40s on my truck and im gettin ready to swap in some 4.88s. Can i change gear ratio with my MM? I havnt seen the option. Can this be done with custom tunes?
I got 40s on my truck and im gettin ready to swap in some 4.88s. Can i change gear ratio with my MM? I havnt seen the option. Can this be done with custom tunes?