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Old May 19th 2010, 09:41
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ricola ricola is offline
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Join Date: Jul 2002
Location: Warwick, UK
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I had no issues at all with 17" cup 2s. It's more about tyre profile and combined wheel/tyre weight than absolute size. Obviously what suspension rates and damping you use will also affect things.. Ally rear arms will increase the track and I'm fairly sure you will need wider rear wings for any porsche wheel..
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