Quote:
Originally Posted by blk99
I NEVER tow in O/D unless I am on the flats doing 70-75mph! I dont know about you but I have 3.73 gears and I cant be in OD on hills cause my temps sky rocket(at least 1200-1250) and the "Coal Really Roles"! But when I pull it out of OD the temps usually drop to 800-900. Anyway I will not hurt the truck to run it with a load out of OD. The only I time I found that being out of OD hurt is when I tried to speed(75+) up a hill with 16,000# and I was pushing the motors redline and it over heated but other than that time it has NEVER had a problem.
sorry for the long post.
~Jim
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I have the sam eissue and pull over mountains all the time. If i leave mine in overdrive and try to ease into it my EGT temps start rising and it doesn't go anywhere to fast. I always kick mine out of overdrive, my EGT's drop to a lower, safer temp, and it seems like it is easier on the truck to make it up the hills. Basically, the same as the post above says.

I don't see anything wrong with putting it in 3rd gear, especially when the truck temps are reading better.