I did a 175/30 and the power is great!! I tow 5k lb up a 6% grade @ 6000ft.. My tow file is from TSD and work well.. needs a few tweak but the truck only roll on select weekends to snowmobile.. I pull a 19 ft enclosed with 3 sleds and if I stab the go pedal it will light the tires..
I have not...