Originally Posted by Dmcphee13ram
What rear gear do you have? 11.8 when your stock doing mostly highway still seems high. Do you drive to get good mpg? Or do you like to rev it up? That could be some of it too
I drive at a normal easy pace,engine turning at 1200-1400 doing 80km. I have 321 rear.When I fill up the tank my range says 980km.