Gordon Johncock CART/Champ Car results at Michigan
| Year | Race # | Start | Finish | Car # | Sponsor | Chassis | Engine | Tire | Owner | Qualifying Speed | Laps | X Led | Laps Led | Status | Points |
| 1979 | 7 | 3 | 1 | 20 | North American Van Lines | Penske | Cosworth | Goodyear | Patrick | 200.239 | 63 | 2 | 20 | flagged | 250 |
| 1979 | 8 | 1 | 4 | 20 | North American Van Lines | Penske | Cosworth | Goodyear | Patrick | | 63 | 1 | 2 | flagged | 150 |
| 1979 | 12 | 3 | 13 | 20 | North American Van Lines | Penske | Cosworth | Goodyear | Patrick | 203.183 | 36 | 2 | 25 | engine | 8 |
| 1980 | 6 | 7 | 5 | 20 | North American Van Lines | Wildcat | Cosworth | Goodyear | Patrick | 186.926 | 99 | 2 | 5 | flagged | 200 |
| 1980 | 10 | 10 | 24 | 20 | North American Van Lines | Phoenix | Cosworth | Goodyear | Patrick | 186.360 | 10 | 0 | 0 | engine | 5 |
| 1981 | 5 | 13 | 36 | 20 | STP/Patrick Petroleum | Wildcat | Cosworth | Goodyear | Patrick | 192.657 | 4 | 0 | 0 | accident | 0 |
| 1981 | 8 | 22 | 5 | 20 | STP Oil Treatment | Wildcat | Cosworth | Goodyear | Patrick | 193.102 | 74 | 0 | 0 | flagged | 10 |
| 1982 | 5 | 2 | 1 | 20 | STP Oil Treatment | Wildcat | Cosworth | Goodyear | Patrick | 202.572 | 250 | 9 | 117 | flagged | 63 |
| 1982 | 10 | 4 | 15 | 20 | STP Oil Treatment | Wildcat | Cosworth | Goodyear | Patrick | 202.049 | 64 | 2 | 4 | turbocharger | 1 |
| 1983 | 5 | 5 | 26 | 20 | STP Oil Treatment | March | Cosworth | Goodyear | Patrick | 200.994 | 74 | 3 | 35 | accident | 0 |
| 1984 | 8 | 7 | 4 | 20 | STP Oil Treatment | March | Cosworth | Goodyear | Patrick | 205.685 | 250 | 1 | 1 | flagged | 12 |
| 1988 | 9 | 9 | 6 | 85 | STP Supra Wear Control | Lola | Cosworth | Goodyear | Vince Granatelli | 213.245 | 237 | 0 | 0 | flagged | 8 |
| 1989 | 10 | 18 | 21 | 91 | STP | Lola | Judd | Goodyear | Hemelgarn | 209.540 | 103 | 0 | 0 | electrical | 0 |
