Anyone else having problems with the 2nd tread in from the outside chunking out. It is only that row. After a 8 lap heat the tread raises and is spongy like the rubber is blistering at the base of the tire. By the end of a feature it has nearly the whole 2nd row chunked out. We are starting with 13-14psi and siping less than 1/8" deep. Seems that its worse when there is moisture in the track. Any thoughts/advice would be appreciated cause this is getting expensive.
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