PORSCHE RACING HISTORY"Franc" Jacques Dewes (F)
1964
22 June 1964 - Le Mans 24 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 32 | Porsche 904 GTS | 904-041 | GT2.0 | "Franc" Jacques Dewes (F)/Jean Kerguen (F) | "Franc" | 12th | 6th | 24th | 308 laps |
5 July 1964 - Reims 12 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 43 | Porsche 904 GTS | 904-041 | GT2.0 | "Franc" Jacques Dewes (F)/Jean Kerguen (F) | "Franc" (F) | 16th | 8th | 27th | 250 laps |