Quote:
Originally Posted by Smitty19TRD
You may not get many responses. The math is complex and we don't have enough data to give you good information. Basically, the load is carried by the volume of air, not the PSI. That's only part of the equation, load range ratings are also part of it. If you have a P-metric tire smaller than is specified OEM, you have decreased your overall capacity.
The tire shop recognized this and provided a warning. Without an engineer/expert present, that's about all you'll get. If you can find a load vs inflation table for your tire, you can determine for yourself.
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Very true, very many variables.
However, OP is towing 2200# according to his post, and the tow rating stock is 5000#. I doubt that the tire changed reduced tow capability by more than 1/2.