I have a 2005 Southwind 37c that had Goodyear G670 2.45/70 R 19.5 load range g. I replaced them with Michelins same size but load range h. They seem to ride much harsher with the same pressures 95 fro...
Owners manuals give pressures for best & softest ride, sure not best for the tire or tire wear. If you keep the pressures up close to the max listed, you & the tire will be happier, maybe a slightly bit rougher but happier. Dave M