PORSCHE RACING HISTORYRudy Bartling (CDN)
1979 : Sebring 12 Hours - 2nd in class
4 February 1979 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 69 | Porsche 911 Carrera RSR | GTO | Klaus Bytzek (CDN)/Rudy Bartling (CDN)/Ludwig Heimrath, Sr (CDN) | Bytzek Automotive (CDN) | 33rd | 12th | 28th | 335 laps - Oil System |
17 March 1979 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 69 | Porsche 911 Carrera RSR | GTO | Horst Kroll (CDN)/Rudy Bartling (CDN) | Bytzek Automotive (CDN) | 7th | 2nd | 29th | 230 laps |
15 July 1979 - Mid-Ohio 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 69 | Porsche 911 Carrera RSR | GTO | Werner Frank (USA)/Rudy Bartling (CDN) | Bytzek Automotive (CDN) | 12th | 4th | 19th | 94 laps |
2 September 1979 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 03 | Porsche 934 | 930 670 0162 | GTO | Werner Frank (USA)/Rudy Bartling (CDN) | Werner Frank (USA) | 16th | 6th | 18th | 109 laps |
25 November 1979 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 69 | Porsche 911 Carrera RSR | GTO | Klaus Bytzek (CDN)/Rudy Bartling (CDN) | Bytzek Automotive (CDN) | 11th | 4th | 27th | 44 laps |