To share my experience; oddly enough I have been on Goose Lake twice now and cut into a side wall each time. There is a good chance I should blame driver error. Even with that, my sentiment is like many other, I will keep airing down for many reasons i subscribe to. I believe the first tire damage I was running maybe 22-23 psi. I can't remember for sure, as it was a few years ago now. The second tire damage, last weekend, I was running 17 psi. I actually rarely go that low, but was playing around with things (working on finding the sweet spot). In both cases, i am running 265/70R17 C-Ply KO2s, and I wasn't loosing air out of either damage. But I don't like the idea of a weakened side wall at highway speed. For those that want to read into things a little further, my rig is fairly heavy, maybe 6K+ lbs, long wheel base with a camper.
While many of this is antidotal, it is nice to hear others share their experiences.
Back to the thread title, I looked into a single KO2 replacement, too. I wanted to shout out to Discount Tire, as that is who I go thru now. I called them up Monday, and they had my tire in stock (definitely relieved). But the big kicker for me is that I now get their "warranty certificate". Its an extra $40-ish a tire. If you damage a tire for any reason (yes, no questions asked, and this is the important part to me), you get a replacement for free. You do have to consider tire tread and maintaining similar diameters to play nice for a 4x4 system. From there you can update with a new "cert". I did that again for the new tire, and for some reason it was $33 this go around. That included their install and disposal! Seems like a killer deal to me.
And yes, unfortunately, we do not have a discount tire in the Bozo area, but my wife's family lives in Helena where they have one. So it is an easy excuse to drive a little over an hour to get a new tire and see some fam!
