I tow our Flagstaff 21FBRS (about 4800 lbs loaded + maybe another 200-300 lbs in gear) with my 2021 Ram 1500 equipped with 3.92 rear-end gears. The stock gears are 3.21 for this model. The truck has the standard tow package with brake controller, etc. I always used the Tow/Haul mode when...