examples:

Stock eliminator: A/S = stick
A/SA= auto

Superstock eliminator: SS/A = stick
SS/AA= auto
SS/AH= class designated for 426 Hemi
equipped '68 Darts and 'Cudas
only


If your are truly new to this, don't try to learn this all at once. And, once you think you've mastered NHRA, try IHRA; good luck...