I came across these photos the other day and thought they may be of interest.
Shellsport Meeting at Pukekohe Oct 1975

Name: Nazer Victor Shellsport 1975.jpg Views: 2199 Size: 147.1 KB

Name: Nazer Victor Engine Oct 1975 .jpg Views: 2022 Size: 142.3 KB

Name: Lancaster Victor Oct 1975.jpg Views: 2082 Size: 141.3 KB