Sure- more PSI means less flex means less internal friction which causes heat buildup and failure. The downside is that much beyond rated pressure, they'll pop when impacted.

yeah a curb can cause a bad day. i usually see one maybe two tires a week. but i also keep over 36 tires on the road. oh yeah-- myco trailers rule!!!

My dads 38 Avion .... 16000lbs ....

i got a 31 forest river topping the scales at 10,300 lbs.