I ran 215/40/17's on a 9.5 wheel on all 4 corners at auto-x last weekend. Other tires didn't make it here on time (Azenis Rt-615). So I decided to try out the Fed's it was okay, but not enough grip and had problems understeering. But it is possible to run them up front just would have to compensate making the rear slide out easier somehow (more PSI....
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