Consider this thread a "you know you're a car nut when..." variant - and one that I awoke regretting. For the doubtless hundreds interested in the math, the thongs are 135mm wide at the tread. The height of the rubber wall is 27mm making a width to height ratio 20. Rollin naturally suggested the maximum speed rating of ZR and the diameter of the thong is the circumference (length=310mm) / 2pi = approx 50mm or approx 4".
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Still saluting the Ford flag.
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