| Year | Att # | Date | Time | Qual
Day | Car # | Laps | Qual
Time | Qual
Speed | Rank | Start | Comment | | 1967 | 11 | 05-13 | 11 | 1 | 5 | 4 | — | 164.594 | 10 | 9 | | | 1968 | 14 | 05-18 | 14 | 1 | 24 | 4 | — | 167.069 | 6 | 6 | | | 1970 | 11 | 05-16 | 11 | 1 | 2 | 4 | 3:31.4900 | 170.221 | 1 | 1 | | | 1971 | 9 | 05-15 | 9 | 1 | 1 | 4 | 3:26.1600 | 174.622 | 5 | 5 | | | 1972 | 4 | 05-14 | 14:38 | 1 | 4 | 0 | — | — | — | — | BLOWN ENGINE | | 1972 | 32 | 05-20 | 11:43 | 2 | 4 | 4 | 3:16.0600 | 183.617 | 13 | 19 | | | 1973 | 12 | 05-12 | 12:41 | 1 | 4 | 4 | 3:04.7300 | 194.879 | 8 | 8 | | | 1974 | 33 | 05-18 | 16:56 | 2 | 15 | 4 | 3:15.7700 | 183.889 | 16 | 26 | | | 1975 | 13 | 05-10 | 12:47 | 1 | 4 | 4 | 3:14.1200 | 185.452 | 13 | 11 | | | 1976 | 18 | 05-15 | 17:30 | 1 | 21 | 4 | 3:13.2800 | 186.258 | 9 | 4 | | | 1977 | 4 | 05-14 | 11:29 | 1 | 21 | 4 | 3:03.7200 | 195.950 | 4 | 3 | | | 1978 | 17 | 05-20 | 13:10 | 1 | 2 | 4 | 3:03.2300 | 196.474 | 7 | 5 | | | 1979 | 6 | 05-13 | 12:51 | 1 | 2 | 4 | 3:07.0100 | 192.503 | 3 | 3 | | | 1980 | 11 | 05-10 | 12:19 | 1 | 5 | 4 | 3:13.0900 | 186.442 | 12 | 9 | | | 1981 | 6 | 05-09 | 16:36 | 1 | 88 | 4 | 3:06.8000 | 192.719 | 14 | 9 | | | 1982 | 16 | 05-15 | 15:31 | 1 | 10 | 4 | 3:04.0800 | 195.567 | 23 | 16 | | | 1983 | 8 | 05-21 | 11:44 | 1 | 7 | 4 | 2:58.2580 | 201.954 | 8 | 7 | | | 1984 | 7 | 05-12 | 12:53 | 1 | 2 | 4 | 2:56.0900 | 204.441 | 10 | 10 | | | 1985 | 11 | 05-11 | 12:01 | 1 | 11 | 4 | 2:51.0030 | 210.523 | 7 | 7 | | | 1986 | 33 | 05-10 | 17:53 | 1 | 11 | 4 | 2:49.5750 | 212.295 | 7 | 5 | | | 1987 | 45 | 05-16 | 12:02 | 3 | 25T | 4 | 2:53.5580 | 207.423 | 15 | 20 | | | 1988 | 9 | 05-14 | 12:07 | 1 | 1 | 4 | 2:47.2350 | 215.266 | 3 | 3 | | | 1989 | 1 | 05-14 | 12:00 | 1 | 25 | 4 | 2:41.0950 | 223.471 | 2 | 2 | | | 1990 | 36 | 05-19 | 12:54 | 2 | 40 | 4 | 2:49.7420 | 212.087 | 31 | 30 | | | 1992 | 32 | 05-10 | 17:41 | 2 | 27T | 4 | 2:40.8980 | 223.744 | 12 | 22 | | | 1993 | 12 | 05-15 | 11:55 | 1 | 80 | 3 | — | — | — | — | WAVED OFF | | 1993 | 33 | 05-16 | 12:10 | 2 | 80 | 4 | 2:45.5530 | 217.453 | 32 | 23 | |
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