Quote:
quote:Originally posted by jlb27537
Sorry Guys, but the side wall only tells you the max pressure the tire is allowed to have cold.
You need to weigh your trailer and see what the weight the tires are carrying. Then consult a tire load chart for the size of the tire you have and then see what weight the tire is carrying.
My 2014 3150RL has 10,340lbs on the axles. For a 235/80R16E that equates to 65psi.
However I replaced my Marathons with 800 miles on them with Bridgestone Durvais 250's and I run them @ 70psi.
To know what pressure you need to run in your tires you need to know what weight you are carrying.
Jim
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Running Max air cold will not hurt your tires. With ST tires, under inflation and speed is the #1 tire killer. ST tires, 65 MPH, under inflation, tires run hotter. like said before, manufactures take into consideration the expansion after tires warm up when setting psi at max air cold.