| Most frequent drivers: | Ed Broadhead (13), Bert Everett (7), Horst Kwech (7), Mark Donohue (6), George Follmer (6), Peter Gregg (6), Peter Revson (5), Dean Gregson (5), Ken Duclos (5), Maurice Carter (5), Jerry Titus (5), Jim Locke (4) |
| Most frequent makes: | Chevrolet (87), Ford (59), Porsche (37), Alfa Romeo (29), Elva (25), BMW (18), Volvo (16), Datsun (15), AMC (14), Lotus (12), Pontiac (10) |
| Most frequent chassis: | 80/011 (18), 9F02R112073 (3), SFM5R101 (2), Shelby 6 (2), Shelby 4 (2), Shelby 12 (2), Shelby 10 (2), 764 [Osca] (1), 26-R-46 (1), 911 030 1048 (1), 911 030 0043 (1), P1800-3331 (1), 914 043 0691 (1), 9F02M212777 (1), SC-1-65 (1), 1666282 (1), 911 230 1514 (1), 9F02M148628 (1), 914 043 0705 (1), SFM5R105 (1), 911 030 1263 (1), 11971 (1), Shelby 3 (1), 9F02M212775 (1), CSX2127 (1), Shelby 11 (1), 118 1 0429 (1), CSX3008 (1), Firebird 92 (1), HLS30 00006 (1) |