Looking at that calculator, the original tires would have been (approximately) load range D. Put the size details into the calculator, and it says the same pressure for load range D or load range E (36psi, according to my door sticker). Still, going to run them higher than that. 36 just seems...
After getting 4 serious punctures in less than 17k miles, I replaced the stock Grabber AT tires with the Toyo Open Country A/T III EV tires. I went with load range E, as I wanted a more durable tire. Adding another charge stop here and there is WAY better than finding a tire shop for an...