Grizzly-The answer is no, I did not hear about the rain test. We discussed many items and I am sure I didn't give him time to add some info. Matt was fun to talk with and had answers for most of my questions. I have spent hours reading about tires and the problems some people are having. My understanding of the Michelin construction is that there are 6 steel belts running in the side walls. One would think that this might just be over board construction and not really needed. As we look at the small sample of people having tire problems it would lead one to believe that the Michelin is not over built, but highly desirable in the towing world. I'll will probably be a "Test Kitchen" for awhile before I spring for the extra cash to upgrade. I hope I am not foolish, because I have expirenced a blowout on my boat trailer that took out the fender, that was a bummer. 3 miles from home and boom! tire gone. Jim