Elbert

2014 2500 HD, 4.10, 2wd, stock, 6.0 gas, long bed / reg cab. I tow approx 10K (twin axle metal deck utilitiy style trailer / car hauler) trailer weights 3K, truck I tow weighs appx 6k...plus misc gear. around 9 flat ground....worse in the hills, I generally run 70-75 on the hwy.

yea!...4.10 is the way to go

07 2500 HD extended cab short bed, 3.73, 6.0 gas, towing around 9.5K flat ground between 9 and 10 hills etc 7-8 I'm not driving 55...