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So to compete in the class do you have to run the spec tire? What constitutes being on an underprepared tire?
Edit: and can I run a 17x7.5 +40 but still use a 225/45 tire whether it be the Spec tire or something objectively less capable like a 300 TW tire?
Last edited by ApexEight; 09-07-2017 at 08:38 AM.
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