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Porsche_Ron

Ordering new tires for my GT3 - question about rear tire size

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Hi All,

I am looking at replacing my Pirelli Corsa System tires on my 2010 GT3 and I am having trouble getting the right size for the rears.

I am really happy with the Corsa Systems be cause they are still drive-able in rain (front tires channel water better than the MPSC's and they have lasted almost 12,000 km, including doing some driver's ed. I also want to stay with Porsche approved tires. Problem is the right size of Corsa Systems have been on back-order with Tirerack for months and i am running out of tread and time.

Can i put 325/30ZR 19's on the back (I know the rim width is OK at 12 inches) but what issues can I expect? Will I have rubbing issues with the bodywork or suspension parts, or handling issues that I should be aware of and stay away from?

Any other thoughts and comments would be appreciated!

Thanks in advance!!!!

Edited by Porsche_Ron

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I'm not sure but I would think that you would have rubbing issues. You could go with a normal Michelin road tires. They have pretty good grip. That would be my choice if I wanted wet grip and still good proformance. That sucks though about the back order the Corsa System tires. That is what I have on my GT3. I love them. They take a lot to warm up but the grip and wear is great for a track tire. I will remember to order mine way before I need them. I have about 5000 miles on mine now and they still have plenty of life left in them. I haven't done a track day yet though.

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