With the combination of tire size, weight, track width, solid axle steering geometry ect. I would expect to notice it more back there. You basically went from towing a "car like" vehicle to a more "truck like" vehicle.
*Current: 2005 Ford F350 Crew Cab Dually 6.0 diesel 4x4*
*Retired: 1987 F350 Crew Cab Dually 6.9 turbo diesel
2007 Forest River WildCat 32QBBS