Tire dating code

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As a precaution, the Department of Transportation recommends changing even new-looking tires once they hit 10 years old, and many manufacturers recommend swapping them out at six years old.Of course, this aging is highly dependent on where the tires live.

Still, you want to maximize tire life when buying a new set of rubber.

The resulting "dry rot" leaves tire structure brittle and leads to sidewall damage and eventual failure.

This isn't "Oh I'll just fill it up and drive on it." No, this is complete loss of function.

For the tire above, a load index of 96 means the tire can carry 1,565 pounds, for a total of 6260 pounds on all four tires.

A tire with a load index of 100 could carry 1,764 pounds. Speed Rating – Another assigned number corresponding to the maximum speed the tire is expected to be able to sustain for prolonged periods.

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