PORSCHE RACING HISTORYGianpiero Moretti (I)
1981 : Portland 100 Miles - 2nd overall : Kyalami 9 Hours - 3rd overall
1 February 1981 - Daytona 24 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935 J | 930 890 0014 | GTX | Gianpiero Moretti (I)/Charles Mendez (USA)/Mauricio DeNarváez (COL) | Momo/Penthouse (I) | 34th | 11th | 7th | 339 laps - Accident |
21 March 1981 - Sebring 12 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935 J | 930 890 0014 | GTX | Gianpiero Moretti (I)/Charles Mendez (USA)/Mauricio DeNarváez (COL) | Momo/Penthouse (I) | 6th | 5th | 5th | 213 laps - Electrics |
26 April 1981 - Riverside 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935/81 | JR-001 | GTX | Gianpiero Moretti (I)/Jochen Mass (B) | Momo/Penthouse (I) | 14th | 9th | 5th | 172 laps |
3 May 1981 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935/81 | JR-001 | GTX | Gianpiero Moretti (I) | Momo/Penthouse (I) | 8th | 8th | 9th | 52 laps |
24 May 1981 - Lime Rock 200 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935/81 | JR-001 | GTX | Gianpiero Moretti (I)/Al Holbert (USA) | Momo/Penthouse (I) | 4th | 4th | 7th | 125 laps |
12 July 1981 - Watkins Glen 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935/81 | JR-001 | Gr.5 | Gianpiero Moretti (I)/Bobby Rahal (USA) | Momo Accessories, Inc. (I) | 6th | 6th | 3rd | 157 laps |
26 July 1981 - Sears Point 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935/81 | JR-001 | GTX | Gianpiero Moretti (I) | Momo/Penthouse (I) | 4th | 4th | 8th | 39 laps |
2 August 1981 - Portland 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935/81 | JR-001 | GTX | Gianpiero Moretti (I) | Momo/Penthouse (I) | 2nd | 2nd | 10th | 52 laps |
16 August 1981 - Mosport 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935/81 | JR-001 | GTX | Gianpiero Moretti (I)/Bobby Rahal (USA) | Momo/Penthouse (I) | 26th | 11th | 10th | 105 laps - Accident |
23 August 1981 - Road America 500 Miles - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935/81 | JR-001 | GTX | Gianpiero Moretti (I)/Bobby Rahal (USA) | Momo/Penthouse (I) | 5th | 5th | 7th | 118 laps |
13 September 1981 - Road Atlanta 150 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935/81 | JR-001 | GTX | Gianpiero Moretti (I) | Momo/Penthouse (I) | 22nd | 11th | 3rd | 19 laps - DNF |
6 November 1981 - Kyalami 9 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 935 J | 009 0001 | Cat.1 | Derek Bell (GB)/Mauricio DeNarváez (COL)/Gianpiero Moretti (I) | Kreepy Krauly (D) | 3rd | 3rd | 5th | 348 laps |