PORSCHE RACING HISTORYHerbert Müller (CH)
1978
19 March 1978 - Mugello 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 935 | 930 770 0904 | Gr.5 | Claude Haldi (CH)/Herbert Müller (CH) | Meccarillos Racing (CH) | 4th | 4th | 14th | 174 laps |
22 April 1978 - Dijon 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 935 | 930 770 0904 | Gr.5 | Claude Haldi (CH)/Herbert Müller (CH) | Meccarillos Racing (CH) | DNF | 10th | 143 laps - Crankshaft Oil Seal |
14 May 1978 - Silverstone 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 935 | 930 770 0904 | Gr.5 | Claude Haldi (CH)/Herbert Müller (CH) | Meccarillos Racing (CH) | DNF | 10th | 66 laps - Accident Damage |
28 May 1978 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 18 | Porsche 935 | 930 770 0904 | Gr.5+2.0 | Herbert Müller (CH)/Claude Haldi (CH) | Meccarillos Racing Team (CH) | 36th | 12th | 10th | 34 laps - Stub Axle |
11 June 1978 - Le Mans 24 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 48 | Porsche 935 | 930 770 0904 | Gr5+2.0 | Herbert Müller (CH)/Claude Haldi (CH)/"Nico" Nick McGranger (CH) | Meccarillos Cégécol Racing Team (CH) | DNF | 21st | 140 laps - Gearbox Casing |
3 September 1978 - Vallelunga 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 935 | 930 770 0904 | Gr.5 | Claude Haldi (CH)/Herbert Müller (CH) | Meccarillos Racing Team (CH) | DNF | 11th | 117 laps - Out of Fuel |