PORSCHE RACING HISTORYJohn Schneider (USA)
1984 : Riverside 6 Hours - 1st in class : Daytona Finale 3 Hours - 1st in class
5 February 1984 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 87 | Porsche 924 Carrera GTR | GTU | Elliott Forbes-Robinson (USA)/John Schneider (USA)/Ken Williams (USA) | Performance Motorsports (USA) | 21st | 5th | 43rd | 529 laps |
24 March 1984 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 87 | Porsche 924 Carrera GTR | GTU | Elliott Forbes-Robinson (USA)/John Schneider (USA) | Performance Motorsports (USA) | 80th | 26th | 21st | 4 laps - Fuel Injection |
29 April 1984 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 87 | Porsche 924 Carrera GTR | GTU | Elliott Forbes-Robinson (USA)/John Schneider (USA) | Performance Motorsports (USA) | 9th | 1st | 27th | 182 laps |
5 August 1984 - Sears Point IMSA GT - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 87 | Porsche 924 Carrera GTR | GTU | John Schneider (USA) | Performance Motorsports (USA) | 26th | 16th | 18th | 7 laps - DNF |
26 August 1984 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 87 | Porsche 924 Carrera GTR | GTU | John Schneider (USA)/Elliott Forbes-Robinson (USA) | Performance Motorsports (USA) | 24th | 7th | 33rd | 96 laps |
25 November 1984 - Daytona Finale 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 87 | Porsche 924 Carrera GTR | GTU | John Schneider (USA)/Elliott Forbes-Robinson (USA) | Performance Motorsports (USA) | 14th | 1st | 52nd | 80 laps |