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The Magic Number

Apr 08, 2019 at 02:05 PM CST
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Unlike the pyramids, tire inflation needn’t be one of life’s little mysteries.
A glance at any tire maker’s load and inflation tables has the answer, but many fleets inflate their drive and trailer tires arbitrarily to 95 or 100 psi – thus “overinflating” them and possibly sacrificing tire life.