PORSCHE RACING HISTORYJim Locke (USA)
1971 : Daytona 24 Hours - 3rd in class : Sebring 12 Hours - 1st in class
31 January 1971 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 31 | Porsche 911 T | 118 10 429 | GT2.5 | Bert Everett (USA)/Jim Locke (USA)/Jim Netterstrom (USA) | Locke Lake Colony (USA) | 9th | 3rd | 27th | 570 laps |
20 March 1971 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 31 | Porsche 911 T | 118 10 429 | GT2.5 | Jim Locke (USA)/Bert Everett (USA) | Locke Lake Colony & Waterville Estates (USA) | 9th | 1st | 33rd | 203 laps |
24 July 1971 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 32 | Porsche 911 S | GT2.5 | Jim Locke (USA)/Bob Bailey (USA) | Locke Development Corporation (USA) | DNF | 21st | 25 laps - Wheel |