PORSCHE RACING HISTORYAlan Johnson (USA)
1971 : Le Mans Test - 3rd in class
18 April 1971 - Le Mans Test - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 42 | Porsche 911 S | 911 130 1148 | GT+2.0 | Alan Johnson (USA) | Richie Ginther Racing Inc. (USA) | 15th | 3rd |
13 June 1971 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 911 S | 911 130 1148 | GT+2.0 | Alan Johnson (USA)/Elliott Forbes-Robinson (USA) | Richie Ginther Racing Inc. | DNF | 29th | 50 laps - Engine |