Hello, Just looking for some thoughts on pulling hills with 3.42 gears. I'm going back to a pop-up TC @ 1800 lbs dry weight. The trucks I'm looking at are the Chevy and GMC 3500's SRW 4x4...
I wouldn't sweat it, my truck also has 3.42 rear with 6 speed transmission and handled the Lance fine, also pulls the new 13k 5er fine too. Rear axle is more critical with gas engines and older 4 speed transmissions that had wider gear spacing.