| 1988 | 9 | 16 | 22 | Uniden/Soundesign | Lola / Cosworth / Goodyear | 207.555 | Running | 196 | 0 | $127,428 |
| 1987 | 6 | 6 | 22 | Soundesign | Lola / Cosworth / Goodyear | 209.96 | Running | 193 | 0 | $131,813 |
| 1986 | 14 | 33 | 23 | Duracell Copper Top | Lola / Cosworth / Goodyear | 204.978 | Running | 189 | 0 | $93,463 |
| 1985 | 26 | 14 | 22 | Break Free | March / Cosworth / Goodyear | 208.536 | Oil pressure | 86 | 0 | $64,833 |
| 1984 | 23 | 20 | 22 | Break Free | March / Cosworth / Goodyear | 201.834 | In pits | 112 | 0 | $64,057 |
| 1983 | 15 | 20 | 22 | Vermont American | March / Cosworth / Goodyear | 192.993 | Running | 161 | 0 | $56,758 |
| 1980 | 22 | 29 | 8 | Vermont American/Shihouette Spas/Regal 8 Inns | Vollstedt / Offy / Goodyear | 182.788 | Lost wheel | 58 | 0 | $26,411 |
| 1979 | 26 | 20 | 17 | Sanyo | Vollstedt / Offy / Goodyear | 185.071 | Clutch | 57 | 0 | $19,267 |
| 1978 | 19 | 10 | 17 | La Machine | Vollstedt / Offy / Goodyear | 192.967 | Wheel bearing | 138 | 0 | $18,516 |
| 1977 | 31 | 30 | 17 | Bryant Heating & Cooling | Vollstedt / Offy / Goodyear | 185.615 | Overheating | 24 | 0 | $16,458 |
| 1976 | 32 | 16 | 17 | Bryant Heating & Cooling | Vollstedt / Offy / Goodyear | 182.343 | Rod | 1 | 0 | $15,926 |
| 1975 | 21 | 30 | 44 | Bruce Cogle Ford | Eagle / Foyt / Goodyear | 181.892 | Running | 133 | 0 | $17,070 |
| 1974 | 33 | 10 | 44 | TraveLodge | Eagle / Foyt / Goodyear | 184.502 | Valve | 1 | 0 | $14,551 |
| 1973 | 14 | 27 | 44 | TraveLodge | Eagle / Foyt / Goodyear | 191.276 | Piston | 100 | 0 | $19,489 |
| 1972 | 13 | 23 | 44 | TraveLodge Sleeper | Lola / Foyt / Goodyear | 180.424 | Out of fuel | 186 | 0 | $19,759 |
| 1971 | 14 | 33 | 44 | TraveLodge Sleeper | Vollstedt / Ford / Firestone | 170.164 | Running | 151 | 0 | $18,870 |
| 1970 | 14 | 31 | 44 | Bryant Heating & Cooling | Vollstedt / Ford / Firestone | 165.548 | Running | 168 | 0 | $18,427 |