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im not sure if your tire wear issue is normal for a track day. is it? But, it is generally true that better tires take abuse better at autox. you may find better tires to be more heat tolerant and therefore could wear longer because they don't turn into erasers. at 135F an RS3 is just getting tacky, but can be slick <60F. the kumho XS is another higher heat tire.

have you been able to take temps at the end of your driving session?



I have not yet taken temps while on track. Maybe next time.

-'02 Dodge Viper Ex-World Challenge racecar
-'73 Duster, 6.1 based 392 hilborn hemi, tko600, full floater rear 9", Hellwig custom bars, viper brakes, built for road course