Ray Mummery (USA)
1981
21 March 1981 - Sebring 12 Hours - World Championship for Drivers and Makes
No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
38 | Porsche 911 T | 1290486 | GTU | Ron Case (USA)/Ray Mummery (USA)/Jack Rynerson (USA) | Case Racing | 74th | 22nd | 71st | 12 laps - Accident |