Tire Marking at Hoosier Super Tours
#37504 from SCCA Staff · Recommended to the Board · Minutes (2025-01 Fastrack)
In GCR section 9.1.7.1.D.16, add as follows:
"c. SMX TIRE MARKING: a. Cars in SMX are limited to running 1 (one) new (sticker) set, used tires or any of those combinations, of
class specified Toyo tires (Toyo RR P235/40/ZR17) per regular season Hoosier Super Tour event weekend during qualifying and
races (not including any test day sessions). Before the first dry qualifying or race (if rain in qualifying) session competitors will
supply four Toyo RR P235/40/ZR17 tires for marking to use during the entire weekend. Class specified rain tires will not be
marked. b. A mandatory impound for all SMX competitors is required after the first dry qualifying or race (if rain in qualifying)
session. It is the competitor’s responsibility to ensure their tires are marked prior to going on track for the next session. c. If a
competitor damages a tire or wheel, and there is a safety concern, the competitor must find the Hoosier Super Tour Series Tech
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Chief or SMX CCC, if assigned, for inspection. At the direction of the Hoosier Super Tour Series Tech Chief or SMX CCC, the
competitor will be allowed to substitute alternate used tire(s) to replace the damaged tire(s). New tires are not an option as a
replacement tire for a damaged tire."