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
1980
3 February 1980 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 06 | Porsche 911 | GTU | Joe DiBattista (USA)/Tom Ciccone (USA)/Alan Howes (USA) | Intrepid, Inc. | 33rd | 10th | 62nd | 358 laps | |
| 95 | Porsche 911 | GTU | Mike Ramirez (PR)/Manuel Villa (PR)/Luis Gordillo (PR) | Mike Ramirez Racing | 42nd | 14th | 71st | 263 laps - Engine |
22 March 1980 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 911 | GTU | Mike Ramirez (PR)/Manuel Villa (PR)/Luis Gordillo (PR) | Mike Ramirez | 14th | 2nd | 59th | 212 laps | |
| 34 | Porsche 911 | GTU | George Drolsom (USA)/Bill Johnson (USA)/Rob Hoskins (USA) | Drolsom Racing (USA) | 18th | 5th | 76th | 206 laps | |
| 87 | Porsche 911 | 911 030 0568 | GTU | Klaus Bitterauf (USA)/James Moxley (USA)/Vicki Smith (USA) | Der Klaus Haus | 24th | 7th | 74th | 185 laps |
| 31 | Porsche 911 | GTU | Juan Lopez (DR)/Jose Arzeno (DR)/Lorenzo Lamas (USA) | Lopez Bros. | 25th | 8th | 60th | 179 laps | |
| 71 | Porsche 911 | GTU | Bruce Jennings (USA)/Bill Bean (USA)/Tom Ashby (USA) | Bruce Jennings (USA) | 56th | 18th | 75th | 69 laps - DNF |
27 April 1980 - Riverside 5 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 911 | GTO | Sergio Nardi (USA)/Angel Nardi (USA) | Nardi Motors | 17th | 6th | 38th | 142 laps | |
| 39 | Porsche 911 | GTU | Jerry Barker (USA)/Claudia LaCava (USA) | Gregg La Cava (USA) | 22nd | 7th | 47th | 136 laps | |
| 88 | Porsche 911 | GTO | Barry Maashoff (USA)/Steve Michaelson (USA)/Joe Korpiel (USA) | Barry Maashoff | 23rd | 9th | 51st | 135 laps | |
| 56 | Porsche 911 | 911 210 0224 | GTO | Rick Borlase (USA)/Don Kravig (USA)/Michael Hammond (USA) | Rick Borlase | 31st | 12th | 46th | 112 laps - Valve Spring |
| 73 | Porsche 911 | GTU | Jerry Demele (USA)/John Goodspeed (USA)/Frank Bramante (USA) | Jerry Demele Racing (USA) | 34th | 13th | 60th | 86 laps - Engine | |
| 27 | Porsche 911 | GTU | Joel Morenfeld (USA)/Sam Pontier (USA)/Steve Jones (USA) | Joel Morenfeld | 46th | 18th | 50th | 55 laps - Engine | |
| 11 | Porsche 911 | GTU | Bobbee Nylander (USA)/Gary Nylander (USA) | Race Tech | 49th | 19th | 56th | 54 laps - Broken Rod | |
| 64 | Porsche 911 | GTU | Dennis Aase (USA)/Alan Johnson (2) (USA) | Alan Johnson Racing (USA) | 56th | 20th | 25th | 20 laps - Blown Cylinder |
4 May 1980 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 73 | Porsche 911 | GTO | Terry Herman (USA) | 17th | 8th | 25th | 46 laps |
27 July 1980 - Sears Point 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 96 | Porsche 911 | GTO | Terry Herman (USA) | 24th | 11th | 29th | 4 laps - DNF | ||
| 91 | Porsche 911 | GTO | Sergio Nardi (USA) | 25th | 12th | 20th | 1 laps - DNF |
17 August 1980 - Mosport 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 62 | Porsche 911 | GTU | Bill Koll (USA)/Jim Cook (USA) | Koll Motor Sport (USA) | 16th | 4th | 26th | 202 laps | |
| 34 | Porsche 911 | GTU | George Drolsom (USA)/Hugh Davenport (USA) | Drolsom Racing (USA) | 28th | 6th | 33rd | 59 laps - Clutch |
31 August 1980 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 64 | Porsche 911 | GTO | Dennis Aase (USA)/Bob Bergstrom (USA) | Alan Johnson Racing (USA) | 9th | 2nd | 15th | 113 laps | |
| 34 | Porsche 911 | GTU | George Drolsom (USA)/Bill Johnson (USA) | Drolsom Racing (USA) | 18th | 5th | 42nd | 103 laps | |
| 62 | Porsche 911 | GTU | Bill Koll (USA)/Jim Cook (USA) | Koll Motor Sports (USA) | 33rd | 13th | 25th | 58 laps - DNF |
30 November 1980 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 911 | GTU | George Drolsom (USA) | Drolsom Racing (USA) | 20th | 5th | 58th | 55 laps | |
| 52 | Porsche 911 | GTU | Fred Snow (USA)/Jeff Snow (USA) | 24th | 7th | 64th | 54 laps | ||
| 01 | Porsche 911 | GTU | J. Kurt Roehrig (USA) | 58th | 20th | 61st | 9 laps - DNF | ||
| 62 | Porsche 911 | GTU | Bill Koll (USA) | Koll Motor Sports (USA) | 62nd | 22nd | 36th | 3 laps - DNF |