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...
Forum Discussion
What difference does it make?? Read the sidewalls on your tires and it will tell you the max speed your tires are rated for as well as the max PSI. If you don't like what you are reading or don't understand it then contact the manufacturer.:S
