PORSCHE RACING HISTORY911 T/R
1971
31 January 1971 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 911 T/R | 118 20 809 | GT2.5 | Peter Kirill (USA)/Ash Tisdelle (USA) | K&T Enterprises (USA) | DNF | 30th | 163 laps - Engine |
20 March 1971 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 39 | Porsche 911 T/R | 118 20 809 | T2.5 | Ash Tisdelle (USA)/Peter Kirill (USA) | K&T Enterprises (USA) | 11th | 1st | 43rd | 199 laps |
16 May 1971 - Targa Florio - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 49 | Porsche 911 T/R | 118 25 414 | GT2.0 | Luigi Cabella (I)/Alessandro Moncini (I) | Alessandro Moncini | 25th | 6th | 40th | 9 laps |