Leader Card Racing CART/Champ Car statistics at Portland
| Year | Race # | Driver | Start | Finish | Car # | Sponsor | Chassis | Engine | Tire | Qualifying Speed | Laps | X Led | Laps Led | Status | Points |
| 1986 | 5 | Dominic Dobson | 19 | 19 | 24 | Leader Card | March | Cosworth | Goodyear | 76.462 | 12 | 0 | 0 | overheating | 0 |
| 1987 | 5 | Randy Lewis | 18 | 8 | 24 | Toshiba | March | Cosworth | Goodyear | 109.847 | 97 | 0 | 0 | flagged | 5 |
| 1988 | 5 | Dominic Dobson | 20 | 21 | 16 | Columbia Helicopters | Lola | Cosworth | Goodyear | 112.186 | 44 | 0 | 0 | turbocharger | 0 |
| 1988 | 5 | Randy Lewis | 21 | 22 | 24 | Toshiba/Oracle | Lola | Cosworth | Goodyear | 111.751 | 41 | 0 | 0 | suspension | 0 |
| 1990 | 6 | Pancho Carter | 22 | 15 | 29 | Hardee's/Machinists | Lola | Cosworth | Goodyear | 113.502 | 91 | 0 | 0 | gearbox | 0 |
| 1991 | 7 | Didier Theys | 19 | 22 | 21 | Leader Card Racing | Lola | Cosworth | Goodyear | 114.721 | 19 | 0 | 0 | oil leak | 0 |
| 1992 | 6 | Buddy Lazier | 25 | 24 | 21 | Leader Cards Racing | Lola | Buick | Goodyear | | 24 | 0 | 0 | clutch | 0 |
| 1994 | 7 | Buddy Lazier | 29 | 24 | 23 | Financial World Magazine | Lola | Chevrolet | Goodyear | 110.433 | 91 | 0 | 0 | out of fuel | 0 |
