PORSCHE RACING HISTORY1970 - Can-Am Watkins Glen
12 July 1970 - Watkins Glen, USA
Jo Siffert 2nd in a Porsche 917 K
Overall - 2nd, 3rd
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 917 K | 917-014 | Jo Siffert (CH) | John Wyer Automotive (GB) | 2nd | 12th | 87 laps | ||
| 32 | Porsche 917 K | 917-020 | Richard Attwood (GB) | Salzburg KG | 3rd | 15th | 85 laps | ||
| 31 | Porsche 917 K | 917-019 | Vic Elford (GB) | Salzburg KG | 4th | 9th | 85 laps | ||
| 35 | Porsche 917 K | 917-021 | Gijs van Lennep (NL) | Martini Racing Team | 6th | 17th | 83 laps | ||
| 6 | Porsche 917 K | 917-015 | Brian Redman (GB) | John Wyer Automotive (GB) | 7th | 11th | 82 laps | ||
| 36 | Porsche 908/02 Spyder | 908/02-019 | Gérard Larrousse (F) | Martini Racing Team | 10th | 24th | 81 laps | ||
| 8 | Porsche 908/02 Spyder | 908/02-011 | Tony Dean (GB) | A. G. Dean | 16th | 29th | 75 laps | ||
| 2 | Porsche 917 K | 917-016 | Pedro Rodríguez (MEX) | John Wyer Automotive (GB) | DNF | 10th | 31 laps - Transmission |
Can-Am - Canadian-American Challenge Cup
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