the only 'weigh' to know for sure is to weigh your coach, both front and rear axles. They will probably be different pressures needed for each, too.
weigh your coach with 3/4 water, 3/4 fuel, and all your typical stuff and people on board, at a CAT scale at any truck stop. The printout will give you your front axle and rear axle weights, and you can then compare that with your Tire Manufacturers pressure recommendation, usually found in your owner manual stuff. 82 might be fine, or you may find a higher number for your front, and different for your rears.
Your coach will ride better, too.
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the Turners...
two Campers, two Electric cars
former diesel pusher traveler
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