For what it’s worth, the winning SM at Sonoma are doing 1:56ish on the Toyo RR spec tire, and during a 200tw enduro I saw an SM doing 1:59 on re71r.
might be a much different spread of times in rwd cars with big HP like stock f8x, who are still traction limited on corner exit when on re71r
I haven’t observed any f8x in competition groups here in NorCal at nasa or SCCA and will keep an eye out for you guys
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