Quote:
Originally Posted by flybigjet
I'd like to go +1-- i.e. from 245/265 on Michelin Pilot Super Sport to 255/275 on Michelin PS4S's.
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I don't think you'll have any real issue, even if you rub slightly under specific circumstances.
The problem is the front 255/30 has a much wider shoulder than the stock 245/35 because it's so much shorter. So stock TW is 8.6 and the 255's is 9.8, so you're adding .6 to each side of the tire. The saving grace is that the OD of the 255 is 25.1, whereas stock OD is 25.8, so you're .35 shorter on top.