Quote:
Originally Posted by Frank Lee
As a practical matter, there are no bias ply and belted car tires available anymore. But there must be detail differences in radial construction.
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Thanks. You're right, or at least I confirmed through the oracle (google). The bias ply tires in particular are completely out of the market, it would seem. And car too appear not to have bias belted tires, either. But bias belted tires appear to be installed on "some light trucks such as pickup trucks and SUVs," according to
this site by an apparently 96 year old tire dealer claiming to manage the tire programs for 19 automakers' US market.
So, to the point of the thread: the relationship between PSI and changes in tread wear, if everyone's experience is true, would be about differences in radial tire design.