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Old 02-01-2012, 05:43 PM   #1
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So I recently bought new rims and tires, 18x9 rims with 255-45-18 tires on them. I have an otherwise stock 07 GT, but my question is how do I know how much Psi to run them on? Max is 51 but I know thats definitely way too high, so - does anyone run the same sizes and have any suggestions? I run Michelin Pilot A/S sports, by the way.
Thanks, Nick
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Old 02-01-2012, 08:46 PM   #2
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Usually you pick up 5 psi from cold to warm , so probably low to mid 40's cold would be good.
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