Use your axle weights you have and go to Toyos chart and adjust pressure.... all tires same axle same pressure Its nice to know if one side is heavier than the other and it probably is, but you'll do fine. (that's what the add 5% comes from ) 110 sounds high for the rear and the front depends on how loaded it is . What does the load placard say is "recommended" for your coach. As a former truck driver, My experience was the first 5000 miles were always harder and a little more squirley until the tread broke in. JMO