Originally Posted by Lt Keefer
I used the Goodyear chart for the 245/70R19.5 since that is what came with the coach. Minimum air pressure on the chart is 80 psi for both single and dual wheels. The chart says that should carry 3640 for singles and 3415 for duals. That is more weight than the coach as it sits so I run 80 psi, cold.
Are you saying the sumo springs has "dampened" the bumps of the road?
Answering succinctly, yes, Sumos help because what Ford installed are like hard hockey pucks compared to Sumos. Sumos and RV shock absorbers have to help make things better for the ride.