PORSCHE RACING HISTORYPorsche 962 - Chassis No. 962-103
29 July 1984 - Portland 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB) | Holbert Racing (USA) | 3rd | 3rd | 3rd | 145 laps |
26 August 1984 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB) | Holbert Racing (USA) | 1st | 1st | 1st | 125 laps |
25 November 1984 - Daytona Finale 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB) | Holbert Racing (USA) | 1st | 1st | 1st | 91 laps |
3 February 1985 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Al Unser, Jr. (USA)/Derek Bell (GB) | Holbert Racing (USA) | 2nd | 2nd | 4th | 686 laps |
24 February 1985 - Miami 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB) | Holbert Racing (USA) | 1st | 1st | 3rd | 111 laps |
23 March 1985 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB)/Al Unser, Jr. (USA) | Holbert Racing (USA) | 2nd | 2nd | 2nd | 277 laps |
14 April 1985 - Road Atlanta 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA) | Holbert Racing (USA) | 5th | 5th | 1st | 120 laps |
28 April 1985 - Riverside 600 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Al Unser, Jr. (USA) | Holbert Racing (USA) | 11th | 6th | 1st | 103 laps |
5 May 1985 - Laguna Seca 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA) | Holbert Racing (USA) | 1st | 1st | 4th | 98 laps |
19 May 1985 - Charlotte 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB) | Holbert Racing (USA) | 1st | 1st | 1st | 138 laps |
27 May 1985 - Lime Rock 2 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA) | Holbert Racing (USA) | 4th | 4th | 1st | 134 laps |
9 June 1985 - Mid Ohio 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB) | Holbert Racing (USA) | 1st | 1st | 2nd | 129 laps |
7 July 1985 - Watkins Glen 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB) | Porsche AG (D) | 1st | 1st | 1st | 101 laps |
28 July 1985 - Portland 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 962 | 962-103 | GTP | Derek Bell (GB) | Holbert Racing (USA) | 20th | 15th | 2 laps - Piston |
29 September 1985 - Watkins Glen 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 962 | 962-103 | GTP | Al Unser, Jr. (USA) | Holbert Racing (USA) | 5th | 5th | 10th | 91 laps |
2 February 1986 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB)/Al Unser, Jr. (USA) | Holbert Racing (USA) | 1st | 1st | 9th | 712 laps |
22 March 1986 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB)/Al Unser, Jr. (USA) | Holbert Racing (USA) | 3rd | 3rd | 2nd | 269 laps |
26 May 1986 - Lime Rock 150 laps - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 962 | 962-103 | GTP | Derek Bell (GB) | Holbert Racing (USA) | 4th | 4th | 13th | 149 laps |
6 July 1986 - Watkins Glen 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB) | Holbert Racing (USA) | 1st | 1st | 4th | 148 laps |
27 July 1986 - Portland 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 962 | 962-103 | GTP | Derek Bell (GB) | Holbert Racing (USA) | 7th | 7th | 6th | 97 laps |
24 August 1986 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Al Unser, Jr. (USA) | Holbert Racing (USA) | 1st | 1st | 6th | 125 laps |
21 September 1986 - Watkins Glen 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Unser (USA) | Holbert Racing (USA) | 16th | 9th | 8th | 78 laps - DNF |
5 October 1986 - Columbus 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Unser (USA)/Al Unser, Jr. (USA) | Holbert Racing (USA) | 18th | 12th | 11th | 105 laps - DNF |
1 February 1987 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA)/Derek Bell (GB)/Al Unser, Jr. (USA)/Al Holbert (USA) | Holbert Racing (USA) | 1st | 1st | 10th | 753 laps |
1 March 1987 - Miami 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA)/Derek Bell (GB) | Holbert Racing (USA) | 4th | 4th | 4th | 132 laps |
21 March 1987 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA)/Al Holbert (USA) | Holbert Racing (USA) | 2nd | 2nd | 1st | 296 laps |
12 April 1987 - Road Atlanta 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA)/Al Holbert (USA) | Holbert Racing (USA) | 2nd | 2nd | 3rd | 124 laps |
3 May 1987 - Laguna Seca 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA) | Holbert Racing (USA) | 3rd | 3rd | 8th | 98 laps |
24 May 1987 - Lime Rock 150 laps - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 962 | 962-103 | GTP | Al Holbert (USA) | Holbert Racing (USA) | 1st | 1st | 5th | 150 laps |
21 June 1987 - West Palm Beach 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA)/Derek Bell (GB) | Holbert Racing (USA) | 2nd | 2nd | 2nd | 148 laps |
5 July 1987 - Watkins Glen 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB) | Lowenbrau Special (USA) | 20th | 6th | 1st | 62 laps - DNF |
2 August 1987 - Sears Point 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA) | Holbert Racing (USA) | 20th | 9th | 1st | 18 laps - DNF |
16 August 1987 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA)/Al Holbert (USA) | Holbert Racing (USA) | 3rd | 3rd | 4th | 81 laps |
6 September 1987 - San Antonio 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/A. J. Foyt (USA) | Holbert Racing (USA) | 2nd | 2nd | 6th | 141 laps |
4 October 1987 - Columbus 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA)/Derek Bell (GB) | Holbert Racing (USA) | 4th | 4th | 11th | 79 laps |
25 October 1987 - Del Mar 2 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 962 | 962-103 | GTP | Derek Bell (GB)/Chip Robinson (USA) | Holbert Racing (USA) | 17th | 8th | 8th | 74 laps - DNF |