Do you know the width of your wheel? Mine is 8.5" and the tire companies are listing it as too wide for this size tire. My concern would be when they are aired down.
I'm curious to hear the latest on your seats.
I have the same problem as you, across the board!
I'm coming from a 1996 Land Cruiser with upgraded seats from Germany, courtesy of Scheel-Mann. The most expensive upgrade to the truck in 22 years of ownership, but an amazing outcome. Unfortunately...