All sports and racing cars, selected FIA GT and Trans Am cars and selected production sports sedans, and Formula Vees constructed on or before December 31, 1989.
A vehicle built after December 31, 1989, yet falls within a production series initiated prior to December 31, 1989, and that bears no material deviation from models built prior to December 31, 1989, shall be considered eligible for competition following approval by the Competition Committee.
Eligibility of vehicles constructed prior to December 31, 1989, yet otherwise fall outside the parameters hereto established, to be determined by the Competition Committee.
It is the responsibility of the entrant to prove the eligibility of the car. Such proof must be documented by 1) homolgation papers, or 2) SCCA log book, or 3) manufacturer's specifications, or 4) dealer's manuals, or 5) published articles (ie., Road and Track, Car and Driver, etc.).
Revised December, 1988, 1989, 1994, 1996, 1997, 2001, 2016, 2019