PORSCHE RACING HISTORYGerhard Koch (D)
1970 : Brands Hatch 1000 km - 2nd in class
21 March 1970 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 46 | Porsche 908/02 | 908/02-005 | P3.0 | Gerhard Koch (D)/Gérard Larrousse (F)/Richard Attwood (GB) | International Martini Racing Team (D) | 7th | 5th | 69th | 236 laps |
21 March 1970 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 45 | Porsche 908/02 | 908/02-019 | P3.0 | Richard Attwood (GB)/Gérard Larrousse (F)/Gerhard Koch (D) | International Martini Racing Team (D) | DQ | 18th | 31 laps - Push Start |
12 April 1970 - Brands Hatch 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 56 | Porsche 908/02 Flunder | 908/02-005 | P3.0 | Gérard Larrousse (F)/Gerhard Koch (D) | International Martini Racing Team (D) | 6th | 2nd | 21st | 217 laps |
25 April 1970 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 44 | Porsche 908/02 | 908/02-019 | P3.0 | Gerhard Koch (D)/Hans-Dieter Dechent (D) | International Martini (D) | DNF | 21st | 35 laps - Electrics |
31 May 1970 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 908/02 Flunder | 908/02-018 | P3.0 | Karl von Wendt (D)/Gerhard Koch (D) | German BG Racing Team (D) | 7th | 5th | 13th | 41 laps |