I have a 2017 F150 3.5 EB with a 2017 fully loaded Hawk. GVW is 7050 Payload is 1759. No mods to the truck. Traveled over 81000 miles so far with no problems. I replaced the original "C" tires with "E" at about 65000 miles. Have only had the camper off the truck about 3 times in 3 years. I...