tire choice

So at 62k miles on original Dunlop AT23’s , 285/60R18 116V M + S , had a blow out the other day and now looking for replacements. Tire guy says he cant find Dunlops so looking for a good alternative to keep as close as I can to OEM I guess. A few suggestions please? I don’t off-road a lot and...

Unfortunately, there is not many tires to choose in 265/50/22 and Grandtreks suck. Going up to 275/50/22 brings up more choices but will it rub? Tire calculator shows only 0.4" increase in diameter and 0.4" in width https://tire-calc.com/comparison/275-50-r22-and-265-50-r22-inch/

I have a 1983 BJ40. Although registered as a 1983 model, in reality I have come to learn that it’s actually a 1980 (December) model. I am looking to purchase better tires and have narrowed down my tire size and make of tire search. Pretty sure that I will pick up a set of 31” X 10.5” tires for...