Well, just to add my two cents worth, we tow a 3650 Big Country Gold Edition. Tow unit is a 2012 Ram 3500 Dually, 6.7 cummins, 4x4, crew cab with the 4:10 rear. Here in the south (Al) seldom do I use tow mode unless in town and need the exhaust brake. We did go to Oklahoma last spring and used...