At what psi can I travel 65-75mph?
This Maxxis pdf has the same table. Using the table(s) above, my ST175/80R13 with 1060lbs load could run at a minimum 35psi with ~4% reserve capacity. Is there a +10lbs rule? I run with +1...
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Yup, no one in their right mind uses ST tires because they are an explosion waiting to happen, but if you pump them up to 10 PSI over their sidewall pressure, you can do 75 all day.:R
Hope the OP isn't expecting reliable information.
Hope the OP isn't expecting reliable information.
