I have 17x8's all the way around. I have 235/45's up front and 245/45 in the rear. I trimmed the lip on the rear just to be sure when I went to the 17's. I do have a pretty stiff suspension set up with 5 leaf mid eye springs, TCP subframes, and under rider traction bars.
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347 (Coast High short block), 279/284, TFS TW heads, Stealth, 750 Holley, Flowtech hdrs, Dr. Gas X, 2 Chmbr Flowmaster, MSD 6AL-Dist.& SS coil, March serpentine pulley system, Art Carr C-4 (Soon to be a Richmond 6 spd, Currie 9" w/3.55, alum Drv Shft, susp mods, Total Control subframes & tower braces, Trans Am Racing power dual master, 4 wheel disc, 17x8 Torqthrust II's
Something up my sleeve
In a 66 coupe