PORSCHE RACING HISTORYErnst Kraus (D)
1975 : Interserie Mainz-Finthen - 2nd overall, 1st in class : Interserie Hockenheim Südwestpokal - 1st in class : Interserie Kassel-Calden - 2nd in class : Interserie Zandvoort - 3rd overall : Interserie Nürburgring Supersprint - 3rd in class : Interserie Hockenheim Preis von Baden-Württemberg - 2nd overall
23 March 1975 - Mugello 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 908/03 | 908/03-012 | S3.0 | Jürgen Barth (D)/Ernst Kraus (D)/Mario Casoni (I) | Scuderia Nettuno (D) | 8th | 6th | 16th | 139 laps |
6 April 1975 - Dijon 800 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 908/03 | 908/03-012 | S3.0 | Jürgen Barth (D)/Ernst Kraus (D) | Joest Racing (D) | DNF | 14th | 46 laps - Ignition |
13 April 1975 - Interserie Hockenheim Jim Clark - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 43 | Porsche 908/03 | 908/03-012 | Div. II | Ernst Kraus (D) | Jöst Racing (D) | 6th | 4th | 19 laps |
20 April 1975 - Monza 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 908/03 | 908/03-012 | S3.0 | Jürgen Barth (D)/Ernst Kraus (D) | Scuderia Nettuno (D) | 5th | 4th | 21st | 162 laps |
18 May 1975 - Coppa Florio - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 908/03 | 908/03-012 | S3.0 | Jürgen Barth (D)/Ernst Kraus (D) | Scuderia Nettuno (D) | DNF | 6th | 136 laps |
1 June 1975 - Nürburgring 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 908/03 | 908/03-012 | S3.0 | Jürgen Barth (D)/Ernst Kraus (D) | Joest-Racing (D) | 5th | 5th | 15th | 42 laps |
15 June 1975 - Interserie Mainz-Finthen - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 2nd | 1st | 60 laps |
29 June 1975 - Zeltweg 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 908/03 | 908/03-012 | S3.0 | Jürgen Barth (D)/Ernst Kraus (D) | Scuderia Nettuno (D) | 4th | 4th | 8th | 92 laps |
20 July 1975 - Interserie Hockenheim Südwestpokal - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 400 | Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 4th | 1st | 1st | 15 laps |
17 August 1975 - Interserie Kassel-Calden - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 7th | 2nd | 38 laps |
24 August 1975 - Interserie Zandvoort - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 3rd | 3rd | 3rd | 30 laps |
7 September 1975 - Interserie Nürburgring Supersprint - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 4th | 3rd | 7th | 50 laps |
28 September 1975 - Interserie Hockenheim Preis von Baden-Württemberg - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 2nd | 2nd | 20 laps |