PORSCHE RACING HISTORYWalt Maas (USA)
1976 : Laguna Seca 100 Miles - 1st in class : Watkins Glen 6 Hours - 1st in class : Laguna Seca 100 Miles II - 1st in class
2 May 1976 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 45 | Porsche 914/6 | 914 143 0332 | GTU | Walt Maas (USA) | Carlsen Porsche/Audi (USA) | 7th | 1st | 8th | 50 laps |
10 July 1976 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 39 | Porsche 911 | GT | John Bauer (USA)/Walt Maas (USA) | John Bauer (USA) | 10th | 1st | 18th | 157 laps |
3 October 1976 - Laguna Seca 100 Miles II - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 45 | Porsche 914/6 | 914 143 0332 | GTU | Walt Maas (USA) | Garretson Enterprises (USA) | 9th | 1st | 13th | 52 laps |