I saw that the diagram had 31x10.5 R15 tires shown on 15x7 wheels, but not on 15x8 wheels. What changes by using 15x8 wheels with these tires?

With these diagrams, the tires fit with stock suspension and not rub, or is there a lift involved.

New to Monteros, so just starting the learning curve. <img src="/forums/images/graemlins/baby.gif" alt="" />

'03 Nissan Xterra, 3.3L V6, Auto, Factory Limited Slip rear diff <img src="/forums/images/graemlins/smile.gif" alt="" />
'72 International 1210 3/4-ton flatbed w/ snow plow. Granny low anyone? <img src="/forums/images/graemlins/kewl.gif" alt="" />
'99 Toyota Tacoma X-cab, TRD, 2 1/2" lift, 32x11.50 MTR's on polished AE 058's. <img src="/forums/images/graemlins/smile.gif" alt="" />