Originally Posted by truck713
I am getting ready to pull my father in laws 31 foot camper through western Maryland and I was wondering what the best tune and tras tune will be for pulling. There are some pretty steep hills out that way and I want to make sure that i have the trans set up the right way to handle it. Any in put would be great guys.
I have been using S1M and it has been working very well for me. I haven't done any super steep hills but I would give it a try and if it didn't work that well it would switch to S1H.