Tire Rules

Acceptable Tires:

Treaded 60 series with Min TWR of 100

  • Toyo RA-1

  • Toyo R888

  • Hoosier Vintage TD

  • Hoosier Street TD and TDR


Exceptions will be considered for displacements of 1600cc or less.

Cars should adhere to weight specifications and preparation rules per the 1975 SCCA General Competition Rules.

Sports Car Club of America

General Competition Rules Reference

Sports Car Club of America

General Competition Rules Reference

Sports Car Club of America

General Competition Rules Reference

Classic Sports Racing Group (CSRG)

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