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Old 08-01-2011, 08:14 PM   #5
Topless
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Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
Garage
225s will work on 7x17" wheels. 255s will work on 8.5x17" wheels. With stock suspension I didn't need a spacer for the 255s up front. With PSS9s a 5mm spacer does the trick. Keep in mind that 255 fronts are not really recommended for the street. If it rains the hydroplane speed will be pretty low.
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2009 Cayman 2.9L PDK (with a few tweaks)
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