Originally Posted by
rdlangston13
Slightly off topic but I have a 2006 Dodge Ram 1500 Quad Cab Hemi and on the shifter it has Tow/Haul setting and an OD OFF setting. I notice that it seem to use OD in the tow haul setting as it will run just over 2,000 rpm @ 70 mph on flat ground where as in OD OFF setting it runs about about 2,600 rpm @ 70 mph on flat ground.
I have always been told that you should turn OD off when towing so this tow/haul selection has me curious, is there a weight threshold where I should go from tow/haul to OD OFF or what? Does anyone with a similar truck use one or the other?