Re: G rated tires on 2015 Avalanche 331RE
You probably should be running G range tires on that rig. There isn't much difference between the two sizes, about 1" in diameter more, so that will only add 1/2" to your height and 1/2" closer to whatever is above the tire. Sailun makes the G range tire now in both sizes, so if there is a clearance problem, that may be the way to go. To get the most benefit from these tires, it is best to have wheels that can handle the 110 psi that the tires need to give you the maximum capacity, but if not, they will work at the lower 80 psi pressure, or somewhere in between.
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Bob & Becky
2012 3402 Montana
2012 Chevy 2500HD D/A CC
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