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285/30zr18s on 04 GT3 rear wheels?


RyanDarr1979

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Hi Ryan.... I have not tried 285/30 on the rear of my '04 GT3, but, a few thoughts. The GT3 is very sensitive to all chassis setup. The original 996 GT3 had 285's rear, but with 225's front vs. our 235's. The factory spec 295/30 is an 'Extra Load' rated tire (98Y rated at 1653 lbs at 51psi) and the rear of the GT3 is heavy. The Michelin 285/30 is not SL rated and lists rated capacity at 1433 lbs at 51psi. For my money (and the difference isn't much) I'd stay with the 295's.

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