Why Doughnut Spares Typically Need 60 PSI, Double That Of Regular Tires

You finally pull out your space-saver spare, and you realize it's supposed to be 60 psi, while your other tires are close to 30. Is this some kind of mistake?

  Car Talk, Autos   Aug 3, 2026   0   0  Add to Reading List
Why Doughnut Spares Typically Need 60 PSI, Double That Of Regular Tires












You finally pull out your space-saver spare, and you realize it's supposed to be 60 psi, while your other tires are close to 30. Is this some kind of mistake?

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