Dennis Lanfre (USA)
1981
26 April 1981 - Riverside 6 Hours - World Championship for Drivers and Makes
No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
31 | Porsche 911 Carrera RSR | 911 460 9048 | GTO | Tom Alan Marx (USA)/Dennis Lanfre (USA)/Bill Follmer (USA) | RSR Associates (USA) | 30th | 12th | 59th | 129 laps |