Forum Discussion
Sandia_Man
Jul 29, 2019Explorer II
For ST tires running them at or very close to max psi supposedly increases their ability to perform as designed, inflated to low causes them to heat up which eventually leads to bubbles and tread separation. We always run our ST tires very near to or at max psi and have had no blowouts or even a flat over the last dozen years, although we dutifully replace our ST tires after 4 years of use. LT tires are typically filled to a psi that matches the load they are carrying, we keep our LT tires filled to the psi stated on the door placard of our Silverado HD truck.
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