Just picked up a new F250 PSD 4x4. Hooked my bumper pull TH to her and wow - barely any squat compared to my Tundra ( no big surprise I suppose). Towed my toy hauler about a 150 miles the other da...
Sorry, bed is too small and frame too narrow to attempt just an axle swap. Lop off the front fame and build out the rear width so it matches the spring perch width and gives you enough clearance between wells.