PORSCHE RACING HISTORY911 T
1981
1 February 1981 - Daytona 24 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 911 T | 1290486 | GTU | Ron Case (USA)/Dave Panaccione (USA)/Ren Tilton (USA) | Case Racing | 47th | 14th | 65th | 169 laps - Gearbox |
21 March 1981 - Sebring 12 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 911 T | 1290486 | GTU | Ron Case (USA)/Ray Mummery (USA)/Jack Rynerson (USA) | Case Racing | 74th | 22nd | 71st | 12 laps - Accident |
4 July 1981 - Daytona 250 Miles Paul Revere - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 911 T | 1290486 | GTU | Ron Case (USA) | Ron Case | 12th | 7th | 34th | 55 laps |
13 September 1981 - Road Atlanta 150 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 911 T | 1290486 | GTO | Ron Case (USA) | Ron Case | 16th | 9th | 25th | 46 laps |
29 November 1981 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 911 T | 1290486 | GTU | Ron Case (USA) | Ron Case | 69th | 18th | 64th | 1 lap - DNF |