Just bought a 03 Dodge 2500. 4 door long bed 4x4 6 speed. No helper springs and I'm guessing stock leafs on the back. Problem is when I have the gooseneck on, I have what I would call sway in the rear end. Have it empty as well too. Any ideas? My last 03 didnt do this and it was the exact same setup. It will be getting airbags and traction bars eventually but I want to solve this issue first.