PORSCHE RACING HISTORY911 Carrera
1983
27 February 1983 - GP Miami IMSA GTO - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 72 | Porsche 911 Carrera | GTO | George Hulse (USA) | The Foreign Car Repr. (USA) | 23rd | 23rd | 26th | 15 laps - DNF |
19 March 1983 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 06 | Porsche 911 Carrera | GTO | Juan Lopez (DR)/Luis Mendez (DR) | Juan Lopez | 23rd | 9th | 57th | 192 laps |
10 April 1983 - Road Atlanta 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 72 | Porsche 911 Carrera | GTO | George Hulse (USA)/Craig Hogan (USA) | THR (USA) | 50th | 18th | 58th | 43 laps |
24 April 1983 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 56 | Porsche 911 Carrera | 911 210 0224 | GTO | Rick Borlase (USA)/Michael Hammond (USA) | Rick Borlase | 14th | 5th | 45th | 166 laps |
| 07 | Porsche 911 Carrera | GTU | Chuck McConnell (USA)/Richard Woodbury (USA)/Bruce Campbell (USA) | Beverly Hill Porsche Audi (USA) | 48th | 16th | 54th | 30 laps | |
| 53 | Porsche 911 Carrera | GTO | Steve Michaelson (USA) | Nardi Motors | 56th | 19th | 48th | 5 laps - DNF |
1 May 1983 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 8 | Porsche 911 Carrera | 453360 | GTO | John Johnson (USA) | John Johnson (USA) | 25th | 16th | 21st | 2 laps - DNF |
30 May 1983 - Lime Rock 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 08 | Porsche 911 Carrera | GTO | Alan Howes (USA) | 35th | 14th | 35th | 17 laps - DNF |
3 July 1983 - Daytona 250 Miles Paul Revere - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 35 | Porsche 911 Carrera | GTO | Jack Griffin (USA)/Paul Gilgan (USA) | 23rd | 8th | 31st | 54 laps |
24 July 1983 - Sears Point 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 69 | Porsche 911 Carrera | GTO | Terry Herman (USA)/Don Madsen (USA) | Davin Motorsports | 21st | 5th | 21st | 65 laps |
31 July 1983 - Portland 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 64 | Porsche 911 Carrera | GTO | Parke Duff (USA)/John Gilson | 13th | 4th | 34th | 128 laps | ||
| 08 | Porsche 911 Carrera | GTO | Gary Auberlen (USA)/Peter Jauker (USA) | 23rd | 8th | 35th | 90 laps | ||
| 69 | Porsche 911 Carrera | GTO | Terry Herman (USA) | Davin Motorsports | 30th | 10th | 19th | 61 laps - DNF |
14 August 1983 - Mosport 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 35 | Porsche 911 Carrera | GTO | Bobby Hefner (USA)/Jack Griffin (USA)/Wayne Baker (USA) | Pegasus III Racing (USA) | 14th | 4th | 22nd | 179 laps |
21 August 1983 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 35 | Porsche 911 Carrera | GTO | Jack Griffin (USA)/Bobby Hefner (USA) | G & H Development | 31st | 11th | 29th | 73 laps |
11 September 1983 - Pocono 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 72 | Porsche 911 Carrera | GTO | George Hulse (USA)/Michael DeFontes (USA) | The Foreign Car (USA) | 13th | 7th | 37th | 148 laps |
27 November 1983 - Daytona Finale 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 35 | Porsche 911 Carrera | GTO | Jack Griffin (USA)/Chris Price (USA) | 21st | 5th | 57th | 79 laps | ||
| 82 | Porsche 911 Carrera | GTO | George Hulse (USA) | 27th | 9th | 61st | 77 laps |