PORSCHE RACING HISTORYPaul Keller (CH)
1974
16 June 1974 - Le Mans 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 68 | Porsche 911 Carrera RSR | GTS3.0 | Paul Keller (CH)/Hans Heyer (D)/Erwin Kremer (D) | Samson Kremer Team (D) | DNF | 15th | 65 laps - Engine |
1 September 1974 - Monza 6 Hours - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 29 | Porsche 911 Carrera RSR | GT3.0 | Paul Keller (CH)/Hans Heyer (D) | Samson Kremer Team (D) | 4th | 4th | 2nd | 195 laps |