Quote:
Wheel and Offset
*Clearance of wheels for Z32 brake upgrade is entirely dependent on wheel spoke AND wheel design, NOT on offset of wheel.
-Wheel width/offset needed for clearance of coilovers is as follows (disregarding brake clearance):
Width Offset
6" +54 or lower
6.5" +45 or lower
7" +40 or lower
7.5" +34 or lower
8" +30 or lower
8.5" +24 or lower
9" +20 or lower
*these numbers are for the fronts only
Note that this does not take into account variations in offset calculation by manufacturer, or tire sidewall bulge. This list also does not take into account differences in design of coilovers (esp. lower brackets on coilover kits which can cause changes in wheel clearance issues). This list also only applies to the FRONT WHEELS and is intended as a GUIDE for reference.
The LARGEST wheels that will fit the front of a S13/14 with stock fenders is 9" wide. The rear can take up to 10.5" wide with a very specific offset AND must dial in negative camber. To fit large wheels one must use negative camber to ensure proper fender clearance.
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http://www.az240sx.org/faq.html
so s14 se's (16x6.5 +40), r32 gts-t (same as s14 se), r32 gtr's (16x8 +30) will all clear. the sportmaxes you're talking about should clear based on width and offset run against the constraints of the above chart. i'm unsure of whether they'll fit with a 15" wheel though. if anyone has seen otherwise, please chime in.