I have a 2003 Tacoma TRD w the 265 70 16s. A buddy has some 265 70 17 BFGs he'll give me for $150. Sooooooooooooo.............. I'm studying rims to get. I assume I can put them on a 17" x 8" rim, but I'm not certain on what I need for back/rear spacing and offset. Can anyone help?