Quote:
Originally Posted by CalandLinda
That is probably not applicable for almost all OEM RV trailer tires. Tire industry standards also have an 80% rule. It reads something like this; when a tire is found to be 20% below vehicle manufacturer recommended cold inflation pressures. It is considered to be in a "run flat" condition and needs to be removed from the wheel to check for internal damages.
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I believe this would apply if your carrying a fix weight and running 20% less than recommended pressure for that weight another words you have low air pressure in your tire for a given weight carried. Most tire manufactures have a weight/inflation guide to keep you safe in your travels.
Like my wife`s car it says tires run at 30lbs at the max the car can carry (this would be factory sticker) but the tire says max lbs of 44 which is 32% of tire inflation maximum. This dose not mean it`s running under inflated with the weight it can carry.
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2018.5 3791 Rear Den Montana, on the lake  no 3rd A/C, Mini Split, just do it
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F350 Ford Dually 4:10`s w/bags (payload 5595 lbs) Sumo Springs 63 gal aux tank
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