They should fit with a little effort (such as moving the fender liner forward). I wouldn't expect anything major. Also, search for 275/70/17, it's an identical size that I know several folks are running, maybe that'll help. One that comes to mind is ProMed, he had 275/65/18 Cooper STT's I think. There's a very long thread on his setup with mods (ride of the month thread I think).