I just threw a brand new set of General Grabber AT2 265/70/15 on my stock '00 Xterra SE and I'm getting some pretty good rubbing. I guess I didn't account for the beefier tread. I'm not too worried as I've done a lot of reading about needing to do this, however, I've never done this kind of DIY before. What are the best tools to use? Dremel?