A local shop has a great deal on the 15x8" rock crawler "d" hole rims with 33x12.5 BFG M/Ts, and I was looking to run this set-up. However, I would rather not grind my rims or brake calipers to make them fit. One of the guys told me that I could run wheel spacers of 1/4", but that it may put too much pressure on my axle nuts, and either strip them, or bend them. Any truth in this? I have looked at the wheelers, but after buying the lug nuts, caps, and shipping, I'd rather buy local. I do some moderately aggressive wheeling (for a beginner with a nearly stock truck), but nothing too extreme. Help a brother out?