PORSCHE RACING HISTORYJan Lundgardh (S)
1978
14 May 1978 - Silverstone 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 935 2.0 | Gr.5 | Kurt Simonsen (S)/Jan Lundgardh (S) | Team Vastkustugan (S) | 11th | 8th | 26th | 187 laps |
28 May 1978 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 935 | Gr.5+2.0 | Kurt Simonsen (S)/Jan Lundgardh (S) | Västkuststugan (S) | 16th | 10th | 24th | 39 laps |