Originally Posted by Al E. Gator
Somewhere around here there is a post that says Chrysler engineers recommend shifting to 5 instead of using tow/haul to disable MDS. I don't know the reason behind it, I just remember reading that was the engineer's opinion.
Tow/haul won't let you go in overdrive. Putting it in 5 will.
Tow/haul keep the gear longer, wich take more gas. Putting it in 5 change gear like it normally would.
So i guess it's better for fuel economy to put it in 5.