Official tyre pressure recommendations are hard to come by for 31s. Mostly just worried about the tyres wearing unevenly. Have started them off at 36 and will see how they go from there.
Cheers for all the replies.
Who is out there with 31x10.5 15R on a 70 series. Just put some BFG KO2 tyres on and am wondering what pressure to run them at? There doesn't seem to be a lot of info out there on tyre pressures. Place that fitted them said to run them at 40psi, but that seemed a bit high to me.