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    Sumitomo hrt z 3 on silverado?

    Anyone running sumitomo hrt z 3's on a standard cab silverado? I've picked some up and worried about the load index on them. Not going to be hauling anything, just driving to work and back home. The load index for the tire is 1,709 a tire, the trucks gross weight is 4,082 lds. Worried they will...