New class A -ACE 30.1

CHF or cheap handling fix can be done in your driveway in about 20 mins. The F53 is used for many things, mostly commercial. But it comes from the factory with 2 settings on the sway bars. It comes in the firmer setting. The sway bar has 2 connection points. All you need to do is loosen the bolts and move the connection points to the firmer setting. In the rear just reverse the brackets. HUGE improvement in wander and road push. And costs nothing if you have a basic set of tools. The other thing you should do before spending any money is set the correct psi in your tires. Mine were set way to high for the weight and rode rough. I went to a local CAT scale, paid a few bucks and got 2 axle weights (4 corners is better but no place local to do that). Went home, pulled up the tire manufacturers chart for psi to weight, and found I was about 15 lbs over what I needed. I adjusted and now it rides so much better. These are things that are relatively free and frankly should be done anyway to set your rig properly. The F53 is a notoriously rough chassis. It's built for Fed ex trucks and other commercial applications. So it will never ride like an air suspension DP. But there are things you can do to keep your tracking straight and the windows from rattling out.