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BoP Lab / Rules / Letter #38004

#38004 Clarify Tire Marking Regs

From Greg Amy · SMX · Rule change

Clarify Tire Marking Regs

#38004 from Greg Amy · Rule change · TB 25-05 (2025-05 Fastrack)

In GCR, Section 9.1.7.1.D.16.c., change as follows:
"1. 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. SMX cars are
limited to one set of Toyo RR P235/40/ZR17 per Hoosier Super Tour event weekend for all dry qualifying and race sessions. This
limitation does not include testing or practice sessions. Approved rain tires will not be required to be marked.
2. A mandatory impound for all SMX competitors is required after the first dry qualifying or race (if rain in qualifying) session. It

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is the competitor’s responsibility to ensure their tires are marked prior to going on track for the next session. A mandatory
impound for all SMX competitors will occur after the first dry qualifying or race session. All tires will be marked for the remainder
of the race weekend. It is the competitor’s responsibility to report to impound and ensure their tires are marked prior to leaving
impound.
3. If a competitor damages a tire or wheel, and there is a safety concern, the competitor must find the Hoosier Super Tour Series
Tech Chief or SMX CCC, if assigned, for inspection. At the direction of the Hoosier Super Tour Series Tech Chief or SMX CCC, the
compet- itor 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. If a competitor damages a tire or wheel and there is a safety concern, the competitor must
find the Hooseir Super Tour Series Tech Chief or SMX CCC, if assigned, for inspection. At the discretion of the Hoosier Super Tour
Series Tech Chief of SMX CCC the competitor may be allowed to substitute alternate used tires(s) to replace the damaged
tire(s). New tires are not an option as a replacement tire for a damaged tire."