RULES

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Qualifications: Each car must have raced "in-period" between 1966 and 1979 in one of the following classes:

• SCCA U2L or U2.5L Trans Am

• SCCA B-Sedan or C-Sedan

• Global FIA equivalent touring classes

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Proof of original logbooks or documentation trail required.

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Preparation:

HBC's philosophy is to present race cars as built and raced "in their day" under the rules of a major, recognized sanctioning organization of that day. The only permitted deviations from those original rules are detailed in the CSRG rule book below and are allowed for safety reasons or, in rare instances, because of component unavailability.
 

Acceptable Tires:

• Hoosier Speedster

• Hoosier Vintage TD

• Hoosier Street TD and TDR

Exceptions will be considered for displacements of 1400cc or less.

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

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2024 CSRG rules include updated seat belts with a maximum of two years from date of manufacturer.