| 1981 · Flying Tigers 1000, Brands Hatch | retired | 28 | Gr.5 | Claude Haldi | Claude Haldi · Rodrigo Terran | Porsche 935/77 | — | 103 | WSPR historical record |
| 1981 · 1000 km Nürburgring | 12 | 22 | 8. Gr.5 | Claude Haldi | Claude Haldi · Charles Mendez | Porsche 935/77 | — | 16 | WSPR historical record |
| 1980 · Dijon 1000 | 2 | 3 | 2. Gr.5 | Claude Haldi | Claude Haldi · Bernard Béguin | Porsche 935/77 | — | 178 | WSPR historical record |
| 1980 · Brands Hatch 6 Hours | 7 | 15 | 6. Gr.5 | Sekurit Racing Team | Dieter Schornstein · Harald Grohs | Porsche 935/77 | — | 135 | WSPR historical record |
| 1980 · Monza 1000 Kilometres | 4 | 18 | 3. Gr.5 | Vegla Racing | Dieter Schornstein · Harald Grohs | Porsche 935/77 | — | 180 | WSPR historical record |
| 1980 · Silverstone 1000 | 5 | 16 | 2. Gr.5 | Vegla Racing | Dieter Schornstein · Harald Grohs | Porsche 935/77 | — | 230 | WSPR historical record |
| 1980 · Silverstone 1000 | entry_only | 17 | Gr.5 | Claude Haldi | Claude Haldi · Bernard Béguin | Porsche 935/77 | — | | WSPR historical record |
| 1980 · Nürburgring 1000 Kilometres | 7 | 5 | 5. Gr.5 | Vegla Racing | Dieter Schornstein · Harald Grohs | Porsche 935/77 | — | 42 | WSPR historical record |
| 1980 · 6 hours of Watkins Glen | 8 | 13 | 8. Gr.5 | Randolph Townsend | Harald Grohs · Randolph Townsend · DNS - Bruce Jenner | Porsche 935/77 | — | 130 | WSPR historical record |
| 1979 · 18th Annual 24 Hour Pepsi Challenge, Daytona International Speedway | 3 | 11 | 2. GTX | Bruce Canepa | Bruce Canepa · Rick Mears · Monte Shelton | Porsche 935/77 | — | 627 | WSPR historical record |
| 1979 · 18th Annual 24 Hour Pepsi Challenge, Daytona International Speedway | 32 | 1 | 6. GTX | Gelo Racing Team | Bob Wollek · Jacky Ickx · Peter Gregg | Porsche 935/77 | — | 342 | WSPR historical record |
| 1979 · 18th Annual 24 Hour Pepsi Challenge, Daytona International Speedway | 50 | 2 | 2. GTX | Gelo Racing Team | Manfred Schurti · John Fitzpatrick · Bob Wollek | Porsche 935/77 | — | 135 | WSPR historical record |
| 1979 · Dijon 6 Hours | 2 | 1 | 1. Gr.5 | Gelo Racing | Jacky Ickx · Bob Wollek · Manfred Schurti | Porsche 935/77 | — | 251 | WSPR historical record |
| 1979 · Dijon 6 Hours | 3 | 5 | 2. Gr.5 | Sekurit Racing Team | Dieter Schornstein · Edgar Dören | Porsche 935/77 | — | 239 | WSPR historical record |
| 1979 · Dijon 6 Hours | 13 | 10 | 7. Gr.5 | Gelo Racing Team | Manfred Schurti · John Fitzpatrick · Bob Wollek | Porsche 935/77 | — | 215 | WSPR historical record |
| 1979 · Rivet Supply 6 Hours, Silverstone | 1 | 3 | 1. Gr.5 | Gelo Racing Team | John Fitzpatrick · Hans Heyer · Bob Wollek | Porsche 935/77 | — | 229 | WSPR historical record |
| 1979 · Rivet Supply 6 Hours, Silverstone | 3 | 26 | 2. Gr.5 | Sekurit Racing Team | Edgar Dören · Dieter Schornstein | Porsche 935/77 | — | 217 | WSPR historical record |
| 1979 · Rivet Supply 6 Hours, Silverstone | 5 | 2 | 3. Gr.5 | Gelo Racing Team | Manfred Schurti · Bob Wollek · John Fitzpatrick | Porsche 935/77 | — | 210 | WSPR historical record |
| 1979 · 25th 1000 km Nürburgring | 1 | 6 | 1. Gr.5 | Gelo Racing Team | Manfred Schurti · John Fitzpatrick · Bob Wollek | Porsche 935/77 | — | 44 | WSPR historical record |
| 1979 · 25th 1000 km Nürburgring | 4 | 7 | 4. Gr.5 | Sekurit Racing Team | Dieter Schornstein · Edgar Dören · Götz von Tschirnhaus | Porsche 935/77 | — | 43 | WSPR historical record |
| 1979 · Watkins Glen 6 Hours Trans-Am and World Championship of Makes, Watkin s Glen Grand Prix Circuit | 3 | 71 | - | Dick Barbour Racing | Rob McFarlin · Roy Woods · Bob Akin | Porsche 935/77 | — | 170 | WSPR historical record |
| 1979 · Watkins Glen 6 Hours Trans-Am and World Championship of Makes, Watkin s Glen Grand Prix Circuit | 31 | 85 | - | Bruce Leven | Peter Gregg · Hurley Haywood · Bruce Leven | Porsche 935/77 | — | 72 | WSPR historical record |
| 1979 · Rivet Suply 6 hours, Brands Hatch | 4 | 24 | 2. Gr.5 | Sekurit Racing Team | Dieter Schornstein · Edgar Dören | Porsche 935/77 | — | 218 | WSPR historical record |
| 1979 · Trofeo Ignazio Giunti, Vallelunga | 8 | 55 | 1. Gr.5 | Sekurit Racing Team | Dieter Schornstein · Edgar Dören | Porsche 935/77 | — | 235 | WSPR historical record |
| 1978 · 17th Annual 24 Hours of Daytona Camel GT Challenge | 2 | 6 | 2. GTX | Dick Barbour Racing | Dick Barbour · Manfred Schurti · Johnny Rutherford | Porsche 935/77 | — | 650 | WSPR historical record |
| 1978 · 17th Annual 24 Hours of Daytona Camel GT Challenge | 9 | 59 | 6. GTX | Brumos Porsche | Peter Gregg · Claude Ballot-Léna · Brad Frisselle | Porsche 935/77 | — | 621 | WSPR historical record |
| 1978 · 17th Annual 24 Hours of Daytona Camel GT Challenge | 13 | 21 | 8. GTX | Konrad Racing | Franz Konrad · Reinhold Jöst · Volkert Merl | Porsche 935/77 | — | 590 | WSPR historical record |
| 1978 · 17th Annual 24 Hours of Daytona Camel GT Challenge | 56 | 0 | 3. GTX | Interscope Racing | Danny Ongais · Ted Field · Milt Minter | Porsche 935/77 | — | 88 | WSPR historical record |
| 1978 · 17th Annual 24 Hours of Daytona Camel GT Challenge | 57 | 12 | 4. GTX | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo · Didier Jaunet | Porsche 935/77 | — | 86 | WSPR historical record |
| 1978 · 6 h Mugello | 7 | 8 | 7. Gr.5 | Porsche Kremer Racing | Dieter Schornstein · "John Winter" · Bob Wollek · DNS - Henri Pescarolo | Porsche 935/77 | — | 169 | WSPR historical record |
| 1978 · 6 h Mugello | 9 | 11 | 9. Gr.5 | Gelo Racing Team | John Fitzpatrick · Klaus Ludwig · Toine Hezemans | Porsche 935/77 | — | 157 | WSPR historical record |
| 1978 · 6 h Mugello | retired | 9 | Gr.5 | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo | Porsche 935/77 | — | 32 | WSPR historical record |
| 1978 · 6 h Mugello | 1 | 12 | 1. Gr.5 | Gelo Racing Team | Toine Hezemans · Hans Heyer · John Fitzpatrick · DNS - Klaus Ludwig | Porsche 935/77 | — | 176 | WSPR historical record |
| 1978 · 6 h Mugello | 2 | 15 | 2. Gr.5 | Konrad Racing | Franz Konrad · Reinhold Jöst · Volkert Merl | Porsche 935/77 | — | 175 | WSPR historical record |
| 1978 · 6 h Dijon | 1 | 2 | 1. Gr.5 | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo | Porsche 935/77 | — | 169 | WSPR historical record |
| 1978 · 6 h Dijon | 2 | 5 | 2. Gr.5 | Gelo Racing Team | John Fitzpatrick · Hans Heyer · Toine Hezemans | Porsche 935/77 | — | 166 | WSPR historical record |
| 1978 · 6 h Dijon | 6 | 3 | 6. Gr.5 | Porsche Kremer Racing | Dieter Schornstein · "John Winter" · DNS - Henri Pescarolo | Porsche 935/77 | — | 157 | WSPR historical record |
| 1978 · 6 h Dijon | retired | 6 | Gr.5 | Gelo Racing Team | Toine Hezemans · Klaus Ludwig | Porsche 935/77 | — | 101 | WSPR historical record |
| 1978 · 6 h Dijon | retired | 8 | Gr.5 | Konrad Racing | Franz Konrad · Volkert Merl | Porsche 935/77 | — | 30 | WSPR historical record |
| 1978 · 6 h Silverstone | 2 | 8 | 2. Gr.5 | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo | Porsche 935/77 | — | 229 | WSPR historical record |
| 1978 · 6 h Silverstone | 5 | 9 | 5. Gr.5 | Porsche Kremer Racing | Dieter Schornstein · "John Winter" · Bob Wollek | Porsche 935/77 | — | 219 | WSPR historical record |
| 1978 · 6 h Silverstone | 6 | 12 | 6. Gr.5 | Konrad Racing | Franz Konrad · Volkert Merl | Porsche 935/77 | — | 203 | WSPR historical record |
| 1978 · 6 h Silverstone | 16 | 5 | 0. Gr.5 | Gelo Racing Team | Toine Hezemans · Hans Heyer · John Fitzpatrick | Porsche 935/77 | — | 178 | WSPR historical record |
| 1978 · 6 h Silverstone | retired | 4 | Gr.5 | Gelo Racing Team | John Fitzpatrick · Toine Hezemans | Porsche 935/77 | — | 95 | WSPR historical record |
| 1978 · 1000 km Nürburgring | retired | 1 | Gr.5 | Gelo Racing Team | Toine Hezemans · Klaus Ludwig · John Fitzpatrick | Porsche 935/77 | — | 22 | WSPR historical record |
| 1978 · 1000 km Nürburgring | retired | 5 | Gr.5 | Porsche Kremer Racing | Dieter Schornstein · "John Winter" · DNS - Bob Wollek | Porsche 935/77 | — | 3 | WSPR historical record |
| 1978 · 1000 km Nürburgring | 1 | 3 | 1. Gr.5 | Gelo Racing Team | Klaus Ludwig · Hans Heyer · Toine Hezemans · DNS - Derek Bell | Porsche 935/77 | — | 44 | WSPR historical record |
| 1978 · 1000 km Nürburgring | 2 | 8 | 2. Gr.5 | Max Moritz | Manfred Schurti · Jacky Ickx | Porsche 935/77 | — | 44 | WSPR historical record |
| 1978 · 1000 km Nürburgring | 3 | 4 | 3. Gr.5 | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo | Porsche 935/77 | — | 44 | WSPR historical record |
| 1978 · Misano 6 Hours | 1 | 7 | 1. Gr.5 | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo | Porsche 935/77 | — | 261 | WSPR historical record |
| 1978 · Misano 6 Hours | 3 | 12 | 3. Gr.5 | Konrad Racing | Franz Konrad · Volkert Merl | Porsche 935/77 | — | 255 | WSPR historical record |
| 1978 · Misano 6 Hours | retired | 8 | Gr.5 | Gelo Racing Team | John Fitzpatrick · Hans Heyer · DNS - Klaus Ludwig · DNS - Toine Hezemans | Porsche 935/77 | — | 58 | WSPR historical record |
| 1978 · Watkins Glen 6 Hours/Trans-Am Championship, Watkins Glen Grand Prix C ircuit | 1 | 30 | 1. Gr.5 | Weisberg Gelo | Toine Hezemans · John Fitzpatrick · Peter Gregg | Porsche 935/77 | — | 146 | WSPR historical record |
| 1978 · Watkins Glen 6 Hours/Trans-Am Championship, Watkins Glen Grand Prix C ircuit | 2 | 90 | 2. Gr.5 | Barbour Performance | Rolf Stommelen · Manfred Schurti · Dick Barbour | Porsche 935/77 | — | 146 | WSPR historical record |
| 1978 · Watkins Glen 6 Hours/Trans-Am Championship, Watkins Glen Grand Prix C ircuit | 8 | 3 | 6. Gr.5 | Vasek Polak Racing | Janet Guthrie · Brian Redman · Hurley Haywood · DNS - George Follmer | Porsche 935/77 | — | 128 | WSPR historical record |
| 1978 · Watkins Glen 6 Hours/Trans-Am Championship, Watkins Glen Grand Prix C ircuit | 26 | 1 | 2. Gr.5 | Vasek Polak Racing | George Follmer · Jacky Ickx | Porsche 935/77 | — | 92 | WSPR historical record |
| 1978 · 6 h Vallelunga | 1 | 3 | 1. Gr.5 | Porsche Kremer Racing | Henri Pescarolo · Bob Wollek | Porsche 935/77 | — | 267 | WSPR historical record |
| 1978 · 6 h Vallelunga | 2 | 8 | 2. Gr.5 | Gelo Racing Team | Toine Hezemans · Hans Heyer · John Fitzpatrick · DNS - Klaus Ludwig | Porsche 935/77 | — | 267 | WSPR historical record |
| 1978 · 6 h Vallelunga | 3 | 9 | 3. Gr.5 | Gelo Racing Team | Klaus Ludwig · John Fitzpatrick · Toine Hezemans · DNS - Hans Heyer | Porsche 935/77 | — | 266 | WSPR historical record |
| 1978 · 6 h Vallelunga | 6 | 6 | 6. Gr.5 | Porsche Kremer Racing | Dieter Schornstein · "John Winter" · DNS - Bob Wollek | Porsche 935/77 | — | 247 | WSPR historical record |
| 1978 · 6 h Vallelunga | 7 | 19 | 7. Gr.5 | Konrad Racing | Franz Konrad · Volkert Merl | Porsche 935/77 | — | 238 | WSPR historical record |
| 1977 · 6 h Mugello | retired | 1 | Gr.5 | Martini Racing | Jochen Mass · Jürgen Barth | Porsche 935/77 | — | 63 | WSPR historical record |
| 1977 · Kosset 6 Hours, Silverstone | 1 | 1 | 1. Gr.5 | Martini Racing | Jochen Mass · Jacky Ickx | Porsche 935/77 | — | 231 | WSPR historical record |
| 1977 · ADAC 1000 km Nürburgring | retired | 1 | Gr.5 | Martini Racing | Jacky Ickx · Jochen Mass | Porsche 935/77 | — | 11 | WSPR historical record |
| 1977 · SCCA Trans-Am Championship and 6 Hours of Watkins Glen World Champion ship of Makes, Watkins Glen GP | 1 | 1 | 1. Gr.5 | Martini Racing Porsche Syst | Jochen Mass · Jacky Ickx | Porsche 935/77 | — | 173 | WSPR historical record |
| 1977 · Molson Diamond Trans-Am Championship and World Championship of Makes, Mosport Park | 21 | 1 | Gr.5 | Martini Racing | Jacky Ickx · Manfred Schurti | Porsche 935/77 | — | 34 | WSPR historical record |
| 1977 · Rivet Supply 6 Hours, Brands Hatch | 1 | 1 | 1. Gr.5 | Martini Racing | Jochen Mass · Jacky Ickx | Porsche 935/77 | — | 103 | WSPR historical record |
| 1977 · Hessen Preis, Hockenheim | retired | 1 | Gr.5 | Martini Racing | Jacky Ickx · Manfred Schurti | Porsche 935/77 | — | 156 | WSPR historical record |