2.5 cars per class per National race = minimum participation requirement. 2 years below minimum after dropping to 2.5 or lower meant relegation to Regional racing only.
CRB and BOD suspended 2.5 application to classes numerous times due to $'s from specific manufacturers finding their way into pet SCCA projects or pockets. When $'s and rules configuration to match couldn't predict National championships or enough National wins, 2.5 gets pushed aside.
Just imagine the look on the Mazda VP's face as he turns to the SCCA VP of Club racing when the TR6 won at Road America a couple years back. All those $'s put into SCCA for Miata's to have the best chance at winning and some darn British Leyland brick wins when they haven't made the darn thing for 30+ years. Priceless!
That's one of the best Youtube clips ever put together. Can be used for just about anything, any cause or idea with a little creative writing.
Mike Miller
SCCA Racer for 33+ years