| Most frequent drivers: | Anatoly Arutunoff (5), Ken Williams (4), Rodd Harrison (3), George Drolsom (3), Ed Kelly (3), Dave White (3), Dan Moore (3), Peter Gregg (3), Sam Posey (2), David Hobbs (2), Ted Field (2), Bill Whittington (2), Don Whittington (2), Dave Cowart (2), John Bauer (2), Bob Bergstrom (2), Dennis Aase (2), Roy Woods (2), Don Devendorf (2), Alf Gebhardt (2), Howard Meister (2), Carl Shafer (2), Babe Headley (2), Ren Tilton (2), Michael Oleyar (2), Brian Goellnicht (2), John Hulen (2), Horst Kroll (2), Cliff Dawson (2), Bill Tempero (2) |
| Most frequent makes: | Porsche (58), Chevrolet (49), March (20), Datsun (15), BMW (9), Ford (9), Frissbee (7), Lola (7), Lancia (4), Alfa Romeo (2), McKee (2), Mazda (2), Lotus (2), Longhorn (2), Langson (2), Penske (2), Triumph (1) |
| Most frequent chassis: | 911 230 1687 (3), 914 143 0178 (3), 74B-12 (2), 85C-08 (2), 847-01 (2), 832-2 (2), 911 460 0075 (2), 911 560 9121 (2), 911 560 9114 (2), 930 670 0152 (2), PC9B-005 (2), T330-HU2 (2), 914 143 0332 (1) |
| Most frequent championships: | IMSA (5), IMSA GTU (3), Trans-Am (2), IMSA GTO (2), IMSA GT (2), CAT (2) |