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4/1/22, 8:02 AM   #1
USAC new tire rule for 2023
Charles Nungester
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Race Count This Year: 6
Race Count Last Year: 14
Join Date: Jul 2007
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In a move to level the playing field SLATE TIRE will be the only approved tire and Granite will be the only approved right rear tire compound. All tires will be tested by a BFH and if any indentation bigger than the baseline 3X3 inch and half inch deep will be deemed illegal.

USAC spokesman Frederick Flintstone tells us that by testing all right rears, it solves the problem. All cars will have the 3X3 in divet in their tires so its fair for everyone. After several test the tires are expected to have more grip. These tires are also expected to last a dozen or so races no matter track conditions.
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Charles Nungester