1981
|
World Endurance Championship
Yale Stapler
|
0
|
0
|
0
|
0
|
U
|
0
|
|
|
1980
|
World Championship of Makes
|
0
|
0
|
0
|
0
|
U
|
0
|
|
|
1978
|
World Championship of Makes
Auto Budde Racing Team
|
0
|
0
|
0
|
0
|
U
|
0
|
|
|
1977
|
World Championship of Makes
Valvoline Deutschland
|
0
|
0
|
0
|
0
|
U
|
0
|
|
|
1976
|
World Championship of Makes
Valvoline Deutschland
|
0
|
0
|
0
|
0
|
U
|
0
|
|
|
