PORSCHE RACING HISTORYAthos Severi (CH)
1978 : Vallelunga 6 Hours - 2nd in class
3 September 1978 - Vallelunga 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 911 Carrera RSR | GT | Enzo Calderari (CH)/Athos Severi (CH) | Angelo Pallavicini (CH) | 10th | 2nd | 21st | 231 laps |