1972 / Repco Birthday Series / Teammates Comparison
Race
| Details | Johnnie Walker - Leo Geoghegan | City State Racing Team | 1 - 0 | Details | John McCormack - Garrie Cooper | Elfin Sports Cars | 2 - 0 | Details | John McCormack - Chris Milton | Elfin Sports Cars | 1 - 0 |
Qualifying
| Johnnie Walker - Leo Geoghegan | City State Racing Team | 1 - 0 | John McCormack - Garrie Cooper | Elfin Sports Cars | 2 - 0 |