| Date | Monday 11 April 1966 |
| Event | Easter GP |
| Circuit | Roy Hesketh |
| Event Format | Race of 66 laps |
| Championship | South African Championship |
| Race number | #3 of 13 in 1966 #3 (of all time) |
| Laps | 66 |
| Circuit Perimeter | 2901 m |
| Race Distance | 2901 × 66 = 191.466 km |
| Entries | 13 |
| Qualifiers | No qualifying session |
| Finishers | 7 |
| Debutants |
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