My friend has a set of BBS RX wheels and I believe he used them on a FD Rx-7, which leads me to believe they might not fit on my s13. Anyways, I was planning on doing the 5 lug and Z-brake conversion once I finish painting my car (BTW, the skyline blue looks nice

) The wheels my friend has are 17x8 all around. Would 17x8 work on the front of a s13? What size tires would I need to use? What offset would the wheels need to have to clear Z-brakes (I don't plan on getting coilovers for a while). What about the 350z wheels, would they fit? What size tires would I need with that?
Also, just in general, I want some 17's if these don't work out. What is the widest wheel I can fit in the rear without coming out of the fender? What size tires go with these? And what is the correct offset to clear the Z-brakes?
I guess if all else fails, I'll just pick up a set of the 16x6.5 s14 wheels.
Johann