| 5.2.1984 | 24 h Daytona | 87 | Porsche 924 | Forbes-Robinson / Schneider / Williams | Performance Motorsports | 21st |
| 26.2.1984 | Miami [GTU] | 87 | Porsche 924 | John Schneider | Performance Motorsports | DNA |
| 24.3.1984 | 12 h Sebring | 87 | Porsche 924 | Forbes-Robinson / *Schneider | Performance Motorsports | 80th |
| 8.4.1984 | 500 km Road Atlanta | 87 | Porsche 924 | Schneider / Forbes-Robinson | Performance Motorsports | 40th |
| 29.4.1984 | 6 h Riverside | 87 | Porsche 924 | Schneider / Forbes-Robinson | Performance Motorsports | 9th |
| 6.5.1984 | Laguna Seca [GT] | 87 | Porsche 924 | John Schneider | Performance Motorsports | 15th |
| 3.7.1984 | 250 mile Daytona Paul Revere | 5 | Pontiac Firebird | John Schneider | Oftedahl Racing | 16th |
| 8.7.1984 | 6 h Watkins Glen | 87 | Porsche 924 | Schneider / Forbes-Robinson | Performance Motorsports | 7th |
| 28.7.1984 | Portland [GTU] | 87 | Porsche 924 | John Schneider | Performance Motorsports | 5th |
| 5.8.1984 | Sears Point [GT] | 87 | Porsche 924 | John Schneider | Performance Motorsports | 26th |
| 26.8.1984 | 500 mile Road America | 87 | Porsche 924 | Schneider / Forbes-Robinson | Performance Motorsports | 24th |
| 9.9.1984 | 500 km Pocono | 87 | Porsche 924 | Schneider / Forbes-Robinson | Performance Motorsports | 12th |
| 15.9.1984 | Michigan [GTU] | 87 | Porsche 924 | John Schneider | Performance Motorsports | 12th |
| 16.9.1984 | 500 km Michigan | 2 | Pontiac Firebird | Schneider / Cobb | Oftedahl Racing | 14th |
| 30.9.1984 | 500 km Watkins Glen | 87 | Porsche 924 | Schneider / Forbes-Robinson | Performance Motorsports | 12th |
| 25.11.1984 | 3 h Daytona Finale | 87 | Porsche 924 | Schneider / Forbes-Robinson | Performance Motorsports | 14th |