Don't forget it's the air pressure not the tire construction that is supporting the load. SO moving from LR-D > LR-E or LRE> LR-F will only give extra Reserve Load if you also increase the inflation.
Good tip, thanks for pointing out. The Max psi of the H901's is 90, and we have been running at 85, which according to the installing dealer was good. Will look into that...
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