| 1969 |
10 |
John Woolfe Racing |
S |
Porsche 912 4494 F12 |
Dunlop |
— |
— |
retired |
0 |
John Woolfe / Herbert Linge / Digby Martland |
| 1970 |
18 |
David Piper Autorace (GB) / AAW Racing Team |
S |
Porsche 912 4494 F12 |
Dunlop |
— |
— |
retired |
112 |
David Piper / Gijs van Lennep |
| 1970 |
18T |
David Piper Autorace |
S |
Porsche 912 4494 F12 |
Goodyear |
— |
— |
— |
0 |
David Piper |
| 1970 |
20 |
John Wyer Automotive Engineering |
S |
Porsche 4907 F12 |
Firestone |
— |
— |
retired |
156 |
Jo Siffert / Brian Redman |
| 1970 |
21 |
JW Automotive Engineering |
S |
Porsche 4907 F12 |
Firestone |
— |
— |
retired |
22 |
Pedro Rodriguez / Leo Kinnunen |
| 1970 |
22 |
John Wyer Automotive Engineering |
S |
Porsche 4494 F12 |
Firestone |
— |
— |
retired |
49 |
David Hobbs / Mike Hailwood |
| 1970 |
23 |
Porsche KG Salzburg |
S |
Porsche 4494 F12 |
Goodyear |
1. |
1. |
classified |
342 |
Hans Herrmann / Richard Attwood |
| 1970 |
24 |
Porsche KG Salzburg |
S |
Porsche 912 4907 F12 |
Goodyear |
— |
— |
— |
0 |
Vic Elford / Kurt Ahrens Jr / Richard Attwood / Rico Steinemann |
| 1971 |
19 |
John Wyer Automotive Engineering Ltd |
S |
Porsche 912 4907 F12 |
Firestone |
2. |
2. |
classified |
394 |
Richard Attwood / Herbert Müller |
| 1971 |
19R |
John Wyer Automotive Engineering Ltd |
S |
Porsche 912 4907 F12 |
Firestone |
— |
— |
— |
0 |
John Wyer |
| 1971 |
22 |
Martini International Racing Team |
S |
Porsche 912 4907 F12 |
Firestone |
1. |
1. |
classified |
396 |
Helmut Marko / Gijs van Lennep |
| 1971 |
57 |
Zitro Racing Team / Dominique Martin |
S |
Porsche 912 4494 F12 |
Goodyear |
— |
— |
retired |
3 |
Dominique Martin / Gérard Pillon |
Porsche 917 K