2017 JAYCO PRECEPT Steering Problems

I recently purchased a used Jayco Precept 31 UL motorhome that is on a Ford F53 chassis. After the purchase I found that the vehicle handled very dangerously when being passed by a large trucks, or when there were crosswinds or medium strength winds. The problem was bad enough the I narrowly avoided accidents caused by being pushed around by passing 18 wheel trucks or crosswinds, or both. After doing some research on this vehicle, and others on the Ford F53 chassis I found that these handling issues are the number one problem with these units. I subsequently had to invest over $6K to correct these handling problems as they were the result of the ineffective stock suspension configuration from the factory. I had to install a steering stabilizer (Safe-T-Plus), a rear track bar (SuperSteer), front radius rods (SuperSteer), new special damping shocks (Koni FSD shocks) and an adjustable drag...