Front-running drivers from the series usually contested their local World Championship Grand Prix, as well as occasional European events, although they had little success at that level.

Love's Cooper was originally designed for the short races of the Tasman Series, and to run a full Grand Prix, he added two auxiliary gas tanks.

Unfortunately, the auxiliary tanks' fuel pump failure forced him to refuel after having led most of the race.

By winning the Natal Spring Trophy at Roy Hesketh Circuit on 1 September, Charlton joined Rhodesian John Love as a six-time winner of the South African National Drivers Championship.

Charlton ended the South African Formula One Championship by winning the final race of the season, the Rand Spring Trophy at Kyalami on 4 October after the faster Scheckter retired with a driveshaft problem.