PORSCHE RACING HISTORY911
1966 1967 1968 1969 1970 1971 1973 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990
1981
1 February 1981 - Daytona 24 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 52 | Porsche 911 | GTU | Tom Cripe (USA)/Dick Gauthier (USA)/Jack Swanson (USA) | Beach Ball Racing | 26th | 10th | 68th | 450 laps |
21 March 1981 - Sebring 12 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 67 | Porsche 911 | GTU | Mike Ramirez (PR)/Luis Gordillo (PR)/Manuel Villa (PR) | Pennzoil of Puerto Rico | 11th | 2nd | 77th | 208 laps | |
| 77 | Porsche 911 | GTU | Bruce Jennings (USA)/Bill Bean (USA)/Tom Ashby (USA) | Bruce R. Jennings (USA) | 22nd | 7th | 65th | 185 laps | |
| 52 | Porsche 911 | GTU | Jack Swanson (USA)/Tom Cripe (USA)/Van McDonald (USA) | Ours & Hours Racing | 33rd | 11th | 60th | 154 laps | |
| 88 | Porsche 911 | 911 030 0568 | GTU | Klaus Bitterauf (USA)/James Moxley (USA)/Jim Leo (USA) | Klaus Bitterauf | 35th | 12th | 63rd | 150 laps |
| 39 | Porsche 911 | GTU | John Higgins (USA)/Chip Mead (USA)/Bill Johnson (USA) | The Foreign Exchange | 38th | 13th | 45th | 136 laps |
26 April 1981 - Riverside 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 911 | GTU | Richard Woodbury (USA)/Bruce Campbell (USA) | Richard Woodbury | 32nd | 9th | 50th | 110 laps | |
| 73 | Porsche 911 | GTU | Jerry Demele (USA)/Terry Herman (USA) | Douglas Dowden (USA) | 43rd | 15th | 43rd | 53 laps - DNF | |
| 24 | Porsche 911 | GTU | Zvonimir Jovanovic (USA)/Carl Wong (USA) | Zvonimir Jovanovic | 46th | 16th | 54th | 33 laps - DNF | |
| 39 | Porsche 911 | GTU | Greg LaCava (USA)/Claudia LaCava (USA) | Fatcola (USA) | 55th | 18th | 47th | 17 laps - DNF |
4 July 1981 - Daytona 250 Miles Paul Revere - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 01 | Porsche 911 | GTU | J. Kurt Roehrig (USA)/Dave White (USA) | 13th | 8th | 33rd | 55 laps |
12 July 1981 - Watkins Glen 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 911 | GTU | Stephen Lax (CDN)/Herman Lausberg (CDN) | Stephen Lax Racing (CDN) | DSQ | 32nd | 12 laps- Too Slow | ||
| 74 | Porsche 911 | 962C-126 | GTO | George Hulse (USA)/Bob Speakman (USA) | DNF | 28th | 8 laps - Suspension |
16 August 1981 - Mosport 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 911 | GTU | Stephen Lax (CDN)/Herman Lansberg (CDN)/Peter Moennick (CDN) | Stephen Lax Racing (CDN) | 22nd | 4th | 33rd | 141 laps - Fatal Accident | |
| 73 | Porsche 911 | GTU | Rick Bye (CDN)/Uli Bieri (CDN) | Hi-Fi Express | 33rd | 8th | 27th | 0 laps - DNF |
30 August 1981 - Mid-Ohio 500 km - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 39 | Porsche 911 | Gr.4 | John Higgins (USA)/Larry Connor (USA) | Foreign Exchange | 23rd | 16th | 37th | 104 laps |