I've seen a number of posts discussing tire pressure vs weight. I called Michelin and got a 29 page RV Tire Guide. Call 800-677-3322 option 2 to get a copy.
If I could figure out how to post them I would show you a couple of the pages. The book is worth the phone call.
Bob
2001 GMC 2500HD D/A, CC/SB,<br />Olympic White, *Manik SS brush guard and nerfs, *Hella driving lamps, Velvet rides, *HD Air Lifts and Compressor, *Snugtop bed cover, *Linex, *Yakima rails on cover (mt.bikes), *Amsoil 2 stage airfilter. *Pioneer XM Radio. *SUBSTANTIALLY upgraded speakers,<br />Amp and Sub. *One piece drive shaft. *Mag-Hytec diff.cover, <br />*43 gal across the bed aux.tank (American Tank), *Lucerix pwr / heated mirrors, *Allison deep pan and transyd, *Street Pilot III GPS. *Suburban-type lighted <br />double sun visors, homelink system,steering wheel stereo controls, *Kennedy