I have a 2015 F250. It's has a 6.5 bed, and it's a diesel. Both of those facts mean that the cargo carrying capacity is diminished compared to a long bed gasser. I haul a 5th wheel and it noticeably s...
I would add airbags, as they are easily adjustable for differing weights.
With that said. If you added a truck there are 2 different ratios you can order. Those being the only 2 differences can net you an increase for in towing ability by 5k lbs. sometimes more, sometimes less.