1970 USAC National Championship
|
Art Pollard
|
10
|
Hayhoe Racing Enterprises
|
U
|
|
|
Roger McCluskey
|
11
|
Hayhoe Racing Enterprises
|
U
|
|
1968 USAC National Championship
|
Bruce Walkup
|
12
|
Hayhoe Racing Enterprises
|
U
|
|
|
Ronnie Duman
|
2
|
Hayhoe Racing Enterprises
|
U
|
|
1967 USAC National Championship
|
Bruce Walkup
|
4
|
Hayhoe Racing Enterprises
|
U
|
|