Quick update, I crawled under the coach and discovered that the rear sway bar bushings are completely missing....no wonder it was swaying..... Soooo, I ordered a complete front and rear set of poly bushings and will do the McKinley fix when they come in. For reference to others who may come across this thread...here is the bushing set I ordered:
http://www.ebay.com/itm/FRONT-REAR-Sway-Bar-Bushings-Ford-F53-Class-A-Motorhome-1999-2011-/281153537365?pt=Motors_Car_Truck_Parts_Accessories&fits=Model%3AF53&hash=item41760e8555&vxp=mtr