PORSCHE RACING HISTORYPorsche 935 - Chassis No. 930 890 0024
11 June 1978 - Le Mans 24 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 90 | Porsche 935/77A | 930 890 0024 | IMSA+2.5 | Brian Redman (GB)/John Paul Sr. (USA)/Dick Barbour (USA) | Dick Barbour Racing (USA) | 5th | 1st | 16th | 338 laps |
8 July 1978 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 90 | Porsche 935/77A | 930 890 0024 | Gr.5 | Rolf Stommelen (D)/Manfred Schurti (FL)/Dick Barbour (USA) | Dick Barbour Performance (USA) | 2nd | 2nd | 1st | 146 laps |
4 February 1979 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 935/77A | 930 890 0024 | GTX | Dick Barbour (USA)/Brian Redman (GB)/Paul Newman (USA) | Dick Barbour Racing (USA) | 26th | 5th | 7th | 410 laps - Dropped Valve |
17 March 1979 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 935/77A | 930 890 0024 | GTX | Rolf Stommelen (D)/Dick Barbour (USA)/Rick Mears (USA) | Dick Barbour Racing (USA) | 4th | 4th | 1st | 234 laps |
22 April 1979 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 935/77A | 930 890 0024 | GTX | Rolf Stommelen (D)/Brian Redman (GB)/Dick Barbour (USA) | Dick Barbour Racing (USA) | 6th | 6th | 3rd | 183 laps |
10 June 1979 - Le Mans 24 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 71 | Porsche 935/77A | 930 890 0024 | IMSA+2.5 | Roy Woods (USA)/Bob Akin (USA)/Rob McFarlin (USA) | Dick Barbour (USA) | DNF | 32nd | 78 laps - Head Gasket |
7 July 1979 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 71 | Porsche 935 | 930 890 0024 | TA-II | Rob McFarlin (USA)/Roy Woods (USA)/Bob Akin (USA) | Dick Barbour Performance (USA) | 3rd | 1st | 9th | 170 laps |
29 July 1979 - Sears Point 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 71 | Porsche 935 | 930 890 0024 | GTX | Bob Akin (USA) | Dick Barbour Racing (USA) | 15th | 10th | 16th | 36 laps - DNF |
5 August 1979 - Portland 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 71 | Porsche 935 | 930 890 0024 | GTX | Rob McFarlin (USA) | Dick Barbour Racing (USA) | 8th | 8th | 11th | 49 laps |
2 September 1979 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 935 | 930 890 0024 | GTX | Skeeter McKitterick (USA)/Bob Garretson (USA) | Dick Barbour Racing (USA) | 19th | 7th | 5th | 106 laps |
22 March 1980 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 935 | 930 890 0024 | GTX | Buzz Marcus (USA)/Bob Harmon (USA)/Marty Hinze (USA) | Dick Barbour Racing (USA) | 60th | 16th | 16th | 52 laps - Accident |
15 June 1980 - Le Mans 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 72 | Porsche 935 | 930 890 0024 | IMSA | Michael Sherwin (USA)/Robert Kirby (USA)/Bob Harmon (USA) | Dick Barbour - Wynn's International (USA) | DNF | 39th | 7 laps - Collision/Lost Wheel |