| 1957 | 22 | 4 | 14 | Bowes Seal Fast | KK500G / Offy / Firestone | 142.557 | Fuel leak | 107 | 0 | $2,879 |
| 1956 | 12 | 7 | 42 | Federal Engineering | KK500C / Offy / Firestone | 144.069 | Running | 196 | 0 | $3,644 |
| 1955 | 32 | 4 | 14 | Federal Engineering | KK500D / Offy / Firestone | 141.933 | Spun | 39 | 0 | $2,724 |
| 1954 | 6 | 24 | 77 | Merz Engineering | KK500C / Offy / Firestone | 137.746 | 128.711 | 200 | 0 | $8,035 |
| 1953 | 4 | 2 | 59 | Grancor-Elgin Piston Pin | KK500B / Offy / Firestone | 137.546 | 126.219 | 200 | 1 | $12,947 |
| 1952 | 27 | 1 | 28 | Cummins Diesel | Kurtis / Cummins / Firestone | 138.01 | Supercharger | 71 | 0 | $2,653 |
| 1951 | 17 | 11 | 59 | Granatelli-Bardahl | KK3000 / Offy / Firestone | 135.029 | Clutch | 109 | 0 | $2,862 |
| 1950 | 28 | 2 | 28 | Wynn's Friction Proofing | KK3000 / Offy / Firestone | 132.792 | Oil line | 64 | 0 | $2,444 |
| 1949 | 27 | 31 | 15 | IRC Maserati | Maserati / Maserati / Firestone | 127.007 | Overheating | 38 | 0 | $2,035 |
| 1948 | 23 | 32 | 26 | Ross Page | Kurtis / Duray / Firestone | 122.737 | Oil line | 58 | 0 | $1,580 |
| 1947 | 9 | 23 | 41 | Ross Page | Kurtis / Duray / Firestone | 121.478 | Running | 191 | 0 | $2,905 |