When I first had my 35's put on, it looked like it was going to rub because I don't have a lift, but I haven't had a single issue with them on stock wheels and stock height. If 37's don't fit without trimming, and 35's fit without a lift... I bet 345/75/16's are the perfect size for the OME 2.5"...
Just know that when I talked to Slee, he said that 37's just plain don't fit in an 80 wheel well. According to Christo, if you want to fit them, you have to do some trimming.
Yesterday, I had discount tire replace my worn out stock tires with 315/75/16 duratrac's, and they are awesome. Even with my saggy 18 year old suspension they don't rub. They look like they would, but they don't. Pictures don't do them justice. Compared to stock, they are huge! I don't feel the...
4wheelparts has steel wheels 6-5.5 with a 16.5 diameter in the correct offset and width. 80 bucks a piece
Trail worthy fab can send military surplus 37" M/T to you for $150 a piece.
$1000
:)