Subject: Request to Allow Hoosier RCES Tire in Spec Miata – 2027
#40807 from Jim Drago · Recommended to the Board · Minutes (2026-10 Fastrack)
In GCR, Section 9.1.7.6.C.b., add the following Effective 10/1/2026:
"Hoosier dry P205/50/ZR15 SM7.5 or P205/50/ZR15 Hoosier RCES"
In GCR, Section 9.1.7.6.C., add the following Effective 10/1/2026:
"d. Competitors may not mix and match the different dry compound tires. Tires must all match and be run in complete sets."
In GCR, Section 9.1.7.6.C.c.1., add the following Effective 10/1/2026:
"SM cars are limited to one set of Hoosier SM 7.5 or RCES P205/50/ZR15 per Hoosier Super Tour event & Runoffs weekends 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."