PORSCHE RACING HISTORYGeorge Drolsom (USA)
1979 : Brainerd 100 Miles - 3rd in class
4 February 1979 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 911 | GTU | George Drolsom (USA)/Mark Greb (USA)/John Maffucci (USA) | Drolsom Racing (USA) | 22nd | 10th | 47th | 482 laps |
17 March 1979 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 911 | GTU | George Drolsom (USA)/Mark Greb (USA)/John Maffucci (USA) | Drolsom Racing (USA) | 52nd | 20th | 65th | 75 laps - Transmission |
17 June 1979 - Brainerd 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 911 | GTU | George Drolsom (USA) | Drolsom Racing (USA) | 24th | 3rd | 25th | 28 laps |
4 July 1979 - Daytona Paul Revere 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 911 | GTU | George Drolsom (USA) | Drolsom Racing (USA) | 40th | 15th | 43rd | 15 laps - DNF |
15 July 1979 - Mid-Ohio 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 911 | GTU | George Drolsom (USA)/Fred Clark (USA) | Drolsom Racing (USA) | 21st | 6th | 40th | 87 laps |
2 September 1979 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 911 | GTU | George Drolsom (USA)/Fred Clark (USA) | Drolsom Racing (USA) | 20th | 6th | 37th | 102 laps |
25 November 1979 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 911 | GTU | George Drolsom (USA) | Drolsom Racing (USA) | 24th | 5th | 57th | 41 laps |