Quote:
Originally Posted by Georger
I would be very hesitant to put 80 psi in your tires. The tires have a load range of E1, assuming I have looked up thee correct tire. The maximum air pressure for load range E1 is 80 psi. Tire pressure is measured cold, 15 psi rise is not uncommon when the tire is hot. Here in Arizona tire temperature can easily get to 150 degrees. Think about what the tire pressure would be if the cold pressure was 80 psi. Stick with the manufacture specifications.
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Tire sidewall flex is the primary source and reason tires increase in temperature
Starting with cold inflation at a higher psig will result in a cooler tire and less of a psig increase as ambient temperatures increase while driving
Tire manufacturers have factored in the psig increase as temperatures increase
Most Tire failures are due to low inflation based on load
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