PORSCHE RACING HISTORY934
1984
5 February 1984 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 934 | 930 770 0958 | GTP | Ludwig Heimrath, Sr (CDN)/Ludwig Heimrath, Jr (CDN) | Heimrath Racing (CDN) | 70th | 26th | 22nd | 90 laps - DNF |
24 March 1984 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 56 | Porsche 934 | 930 670 0162 | GTO | Rick Borlase (USA)/Michael Hammond (USA)/Don Kravig (USA) | Coin Operated Racing (USA) | 77th | 27th | 63rd | 12 laps - Engine |
29 April 1984 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 58 | Porsche 934 | 930 670 0162 | GTO | Rick Borlase (USA)/Don Kravig (USA)/Michael Hammond (USA) | Coin Operated Racing (USA) | 14th | 2nd | 28th | 180 laps |
| 80 | Porsche 934 | GTO | John Klug (USA)/Les Lindley (USA) | John Klug | 24th | 7th | 39th | 152 laps |
29 July 1984 - Portland 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 90 | Porsche 934 | GTO | John Klug (USA)/Les Lindley (USA) | JK Racing | 17th | 4th | 24th | 125 laps | |
| 58 | Porsche 934 | 930 670 0162 | GTO | Michael Hammond (USA) | Coin Operated Racing (USA) | 30th | 12th | 31st | 8 laps - DNF |
5 August 1984 - Sears Point IMSA GT - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 90 | Porsche 934 | GTO | John Klug (USA) | John Klug | 20th | 9th | 24th | 28 laps |
26 August 1984 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 91 | Porsche 934 | 930 890 0014 | GTO | Chester Vincentz (USA)/Jim Mullen (USA) | Electrodyne (USA) | 10th | 1st | 25th | 113 laps |
25 November 1984 - Daytona Finale 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 89 | Porsche 934 | 930 670 0171 | GTO | " Jamsal" (ES)/Kikos Fonseca (CR) | Scorpio Racing (ES) | 74th | 29th | 39th | 0 laps - Accident |