Well I picked up my Designer 31RLTS today. I put 30 Lbs of air in the air bags Just before going to the dealers to Pick it up. I think that 20 Lbs would have been enough. It towed like a dream. No problems. first thing I did was to take it to a CAT SCALE and weight it. GCWR 19,800 Lbs. I will probably be adding another 1500 Lbs to it, but would still be under the max 23,000 Lbs GCWR. Thanks to everyone for your help and insight.
Mel
PS here is a link to some pictures:
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