So I'm starting to think about a new truck. I have a 2013 RAM 1500 4x4 5.7L Hemi with the 8 speed trans, 3.21 rear end and 130,000ish miles. Fully loaded my trailer is 6680lbs. How ever 90% of my trips will be in the 5740lbs range. Either way I'm up at the upper end of the trucks rated load...