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Last Post 14 Jun 2015 11:28 AM by  turboz523
Hankook z214 c91 compound legality.
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14 Jun 2015 11:28 AM
    I've been running these tires locally for about a season now and seem to give every bit as much grip as the Hoosier A6's I've run in the past. I've also tried the c71 compound and they don't have the same grip level as the A6. I'm planning on bringing the car to Lincoln this year and I want clarification as to whether or not the Hankook is legal or not. They only make the c91 compound in one tire size but technically its still a z214 tire. The rule states at least 4 different diameters of tire size to be legal, would that be based on compound or tire model?