PORSCHE RACING HISTORYBrian Redman (GB)
1978 : Sebring 12 Hours - 1st overall : Le Mans 24 Hours - 1st in class
18 March 1978 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 | 930 890 0037 | GTX | Brian Redman (GB)/Charles Mendez (USA)/Bob Garretson (USA) | Dick Barbour Performance (USA) | 1st | 1st | 5th | 240 laps |
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 |
| 3 | Porsche 935 | 930 770 0955 | Gr.5 | Janet Guthrie (USA)/Brian Redman (GB)/Hurley Haywood (USA) | Vasek Polak Racing (USA) | 8th | 6th | 7th | 128 laps |