| 1st | 1 | Roy Pierpoint / Doug Serrurier | Lola T70 Ford | R. F. Pierpoint | 1:35.3000 |
| 2nd | 2 | Peter Sutcliffe / John Love | Ford GT40 spyder | P. Sutcliffe | 1:38.7000 |
| 3rd | 11 | Ben Pon / Gijs van Lennep | Porsche 906 | Racing Team Holland | 1:39.8000 |
| 4th | 17 | Keith Berrington-Smith / Tony Jefferies | Lotus 23 Alfa Romeo | Team Thompson Bros. | 1:42.2000 |
| 5th | 12 | Luki Botha / Dawie Gous | Elva - Porsche | L. J. Botha | 1:43.0000 |
| 6th | 4 | Willy Mairesse / "Jean Beurlys" | Ferrari 365 P2/3 | Ecurie Francorchamps | 1:43.2000 |
| 7th | 6 | Peter Clarke / Rollo Feilding | Ferrari 250 LM | P. Clarke | 1:43.8000 |
| 8th | 9 | Edward Nelson / Colin Crabbe | Ford GT40 | E. S. Nelson | 1:45.0000 |
| 9th | 19 | Jack Holme / Brian Wheble | Lotus Elan | J. Holme | 1:46.7000 |
| 10th | 26 | Basil van Rooyen / Chappie Wicks | Alfa Romeo GTA | Team Thompson Bros. | 1:49.3000 |
| 11th | 16 | Clive van Buuren / Steve Mellet | Porsche 718 RS 61 | Ecurie Tomahawk | 1:51.3000 |
| 12th | 15 | John Truter / Neville Smith | GSM Dart Ford | Bramhill Service Station | 1:51.8000 |
| 13th | 21 | Eric van der Meden / Peter Shekleton | GSM Dart Ford | Shekleton Motors | 1:56.7000 |
| 14th | 27 | Scamp Porter / Eric Adler | Renault R8 Gordini | Team Lawson | 1:56.7000 |
| 15th | 14 | Ritchie Jute / John Whitehead | GSM Dart Ford | Ecurie Aquila | 1:56.8000 |
| 16th | 32 | George Armstrong / Luigi Viglietti | Austin Mini Cooper S | Team A & G | 1:57.5000 |
| 17th | 38 | Colin Burford / Phil Porter | Renault R10 | Team Renault & Alconi Develompents | 1:59.4000 |
| 18th | 25 | Geoff Mortimer / Roger Ramsayer | Renault R8 | Team Renault & Alconi Develompents | 1:59.5000 |
| 19th | 18 | John Haycock / Denis Joubert | Lotus 23 Ford | J. Haycock | 2:00.0000 |
| 20th | 30 | Mario Lupini / Chris van der Heever | Alfa Romeo Super | Superformance Racing Team | 2:01.7000 |
| 21st | 20 | Joss Viljoen / George van Straaten | Elfin Mallala Ford | J. Viljoen | 2:01.9000 |
| 22nd | 35 | Nolly Limberis / Garth McGillewie | Morris Mini Cooper S | Power Filling Station Racing Ltd. | 2:02.5000 |
| 23rd | 23 | Louis Cloete / Alec Kirstein | Ford Cortina GT | Philip Robinson Motors | 2:04.1000 |
| 24th | 28 | Fred Cowell / John Fritelli | Alfa Romeo Giulia Sprint | J. F. Cowell | 2:34.4000 |