1977 World Championship of Makes
|
Bill Schumacher
|
1
|
Bill Schumacher
|
U
|
|
|
Rick Hay
|
1
|
Bill Schumacher
|
U
|
|
1972 World Championship of Makes
|
Bill Schumacher
|
0
|
Bill Schumacher
|
U
|
|
|
Bob Nagel
|
0
|
Bill Schumacher
|
U
|
|
|
Ed Lowther
|
0
|
Bill Schumacher
|
U
|
|
1971 International Championship of Makes
|
Bill Schumacher
|
1
|
Bill Schumacher
|
U
|
|
|
Bob Kiefer
|
1
|
Bill Schumacher
|
U
|
|
|
Bob McClure
|
1
|
Bill Schumacher
|
U
|
|