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Discussion Starter · #1 ·
Im getting 18x8" rims on my GTO, what's a good size tire. I was thinking 235/40/18's would that make my sidewall too thin? It's going to be a daily driver and want some protection against pot holes..

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See the above comment by BV GTO. Those are the size that came on my car, as all other 18" factory wheels. Be sure to get the right speed rating, or else you could be in big trouble if you're driving too fast for the tires.
 
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