heavy haul truck, that don't like heavy hauls!

[un_yun]

The fuel mileage I can might live with, I would like to do as good as possible. who wouldn't. The truck just seem to be weak to me, with these specs I really thought it would pull a lot better. Heck empty on a 6% 4or5 mile grade I have to get down to 15th and about 50mph before I hit the top. The other day coming up mount eagle, it was all I could do to keep up with a werner van. I can get it to pull okay if I get the tach way up to 1800. But with 4.33's I would think I could chug empty up about any hill on the east coast in the big hole.