I had a lengthy conversation today with an RV salesman who apparently has made it his mission in life to know everything there is to know about RV tires ... at least he spoke intelligently and his arguments made sense to me anyway. He supported a lot of what he said by giving me copies of several articles clipped over the years from RV magazines, tire dealer magazines and other sources. What I got from the conversation was the following: 1) Forget "ST" tires and use a brand name "LT" tire as the quality of manufacture, etc. is usually much better. 2) ALWAYS inflate your tires using NITROGEN rather than air. Here's why ...
http://www.popularmechanics.com/cars...stions/4302788. 3) Fill each tire with half a can of tire sealant such as ...
http://www.vikingseal.com/faq.html. There's a lot of good sealants on the market. Viking is just one of the better ones offered. 4) Run your tires at or slightly under maximum pressure. 5) Have your axles aligned!
I realize that some of the suggestions he offered may be controversial so form your own opinions and conclusions. Finally, if you can find a copy, read RV Lifestyle Magazine, volume 39 number7 and the article "Better Tires for Your Trailer". This article pretty well sums up what I've stated above but in a more expansive and detailed manner. If you do nothing else, replacing air with nitrogen seems to be huge in terms of payoff.