I recently replaced the tires on my travel trailer that were four years old and rated at 65 psi maximum. The new tires are rated at 80 lb psi as are the alloy wheels on the trailer. I'd like to incr...
Most tire experts will say to run ST trailer tires at max sidewall pressure. It will not hurt to run yours at 80 psi. It may make your trailer ride a little rougher than the previous tires. The sticker on your trailer just applies to the lesser rated tires it came with.
Jerry
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