I don't remember where I've read it, but the general rule that you can upgrade to a better/higher rated tire, but you don't want to go down.
If you couldn't go up all the folks that have moved to "G" rated or even those that went to 17.5 would all be in trouble with the Tire Police.
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Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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