PORSCHE RACING HISTORYPorsche 935/79 - Chassis No. 930 990 0026
There is also reference to a K3 with chassis number 009 0004 for this car?
4 February 1979 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Don Whittington (USA)/Bill Whittington (USA)/Jürgen Barth (D) | Whittington Bros (USA) | 4th | 3rd | 6th | 622 laps |
17 March 1979 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Bill Whittington (USA)/Don Whittington (USA) | Whittington Bros. Racing (USA) | 42nd | 13th | 6th | 104 laps - Accident |
8 April 1979 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Bill Whittington (USA) | Whittington Brothers Racing (USA) | 13th | 8th | 4th | 37 laps |
22 April 1979 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Don Whittington (USA)/Bill Whittington (USA) | Whittington Brothers Racing (USA) | 1st | 1st | 7th | 195 laps |
29 April 1979 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Bill Whittington (USA) | Whittington Brothers Racing (USA) | 23rd | 10th | 5th | 4 laps - DNF |
13 May 1979 - Hallett 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Bill Whittington (USA) | Whittington Brothers Racing (USA) | 22nd | 9th | 4th | 13 laps - DNF |
28 May 1979 - Lime Rock 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Bill Whittington (USA) | Whittington Brothers Racing (USA) | 22nd | 10th | 5th | 22 laps - DNF |
17 June 1979 - Brainerd 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Bill Whittington (USA) | Whittington Brothers Racing (USA) | 7th | 7th | 6th | 32 laps |
15 July 1979 - Mid-Ohio 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Don Whittington (USA)/Bill Whittington (USA) | Whittington Brothers Racing (USA) | 2nd | 2nd | 3rd | 104 laps |
29 July 1979 - Sears Point 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Bill Whittington (USA) | Whittington Brothers Racing (USA) | 14th | 9th | 5th | 36 laps - DNF |
23 September 1979 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Bill Whittington (USA) | Whittington Brothers Racing (USA) | 16th | 12th | 41st | 36 laps - DNF |
25 November 1979 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935/79 or K3? | 930 990 0026 | GTX | Bill Whittington (USA) | Whittington Brothers Racing (USA) | 1st | 1st | 3rd | 47 laps (Ref to Chasis 009 0004?) |