PORSCHE RACING HISTORYJohn Rulon-Miller (USA)
1978 : Le Mans 24 Hours - 2nd in class
11 June 1978 - Le Mans 24 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 97 | Porsche 911 Carrera RSR | 911 460 9064 | IMSA+2.5 | Gordon Spice (GB)/John Rulon-Miller (USA)/Larry Perkins (AUS) | Charles Ivey Engineering | 14th | 2nd | 47th | 279 laps |