Airbags for ride quality.

I suppose every set up is different. I find the best ride for me...My tires have a lot to do with ride also. But in the air dept... I simply fill my air bags until truck bed is level. Depending on the load at time, my psi in bags will vary. Sometimes 30 pounds, other time 65 psi. I use the same level I use to level RV with. I put level on bed rail and fill air bags until bubble is level. But there are some road and slumps in concreate that just match my wheel base and I bounce a little. I think some concreate was poured when raining or stuff was wet and made a little roller coaster ride when you drive over it.