at 1000RWHP S13 i would be looking into an automatic, and see if you can do some sort of ford 9" rear end swap. unless that breaks what ever class rules your looking to race. Also the 28 is how many inchs TALL the wheel is. and 10.5 is how wide it is. so some simple math can help you out.
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2JZ-GTE Swapped S13 Coupe - 1994 Supra Turbo
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