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1995 993 Tire Sizes

Wheels and Tires

Vehicle Information: Model: 993 ; Year: 1995; Body Type: Coupe; Total Mileage: 53,000;

I hate to ask another tire question, but the more I read the more confused I am getting. I have a 95 993 coupe with turbo wheels, 8's and 10's. Currently I have 225/40/18 tires in front and 285/30/18 in the rear. I am shopping for new tires and am wondering about the best size for summer street/track use. I have seen 235/40, 235/40 and 245/35 as options for the front and 265/35 and 275/35 as options for the rear. I have read about the need to aim for a diameter between 25 and 25.5, the 4% rule and the need for the rears to be bigger than the front. I am thinking about going with a 235/40 and 275/35 rear combination. Would stock or a different combination be better. Thanks for any clarification you can provide.

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