| 1st | 2 | Reinhold Jöst | Porsche 908/03 | Reinhold Jöst | 52.404 | 220.311 |
| 2nd | 28 | Herbert Müller | Ferrari 512 M | | 53.238 | 216.494 |
| 3rd | 23 | Angel Monguzzi | Berta LR3 Tornado | | 53.776 | 214.690 |
| 4th | 11 | Luís Pereira Bueno | Porsche 908/02 | | 53.864 | 214.340 |
| 5th | 25 | Marivaldo Fernandes | Alfa Romeo T33/3 | Team Jolly | 55.329 | 208.664 |
| 6th | 94 | José Renato Catapani | Lola T210 Ford | | 55.712 | 207.230 |
| 7th | 19 | Teodoro Zeccoli / Giovanni Alberti | Alfa Romeo T33/3 | | 56.260 | 205.216 |
| 8th | 80 | Nílson Clemente | Avallone - Ford | | 56.705 | 203.601 |
| 9th | 27 | Rolando Nardi | Berta LR Tornado | | 57.394 | 201.157 |
| 10th | | Silvio Moser | Fiat-Abarth | | 57.623 | 200.157 |
| 11th | 48 | Angi Munhoz | Porsche 907 | Equipe del piloto Angi Munhoz | 58.785 | 196.397 |
| 12th | 16 | Carlos Salatino | McLaren M8C Ford | Greek Ford Fabrini | 59.512 | 193.998 |
| 13th | 33 | Paul Blancpain | Chevron B19 Ford | | 59.714 | 193.342 |
| 14th | 8 | Freddy Link | Chevron B19 Ford | | 59.755 | 193.209 |
| 15th | 47 | Lionel Noghés | Grac MT16 Ford | | 1:00.320 | 191.399 |
| 16th | 3 | Lella Lombardi | Fiat Abarth 3000 | | 1:00.960 | 189.390 |
| 17th | 6 | Corrado Manfredini | Momo Abarth | | 1:01.157 | 188.780 |
| 18th | 12 | Ernesto Neves | Lotus 62 | | 1:01.428 | 187.947 |
| 19th | 26 | Jaime Silva | Fúria - Lamborghini | | 1:03.501 | 181.811 |
| 20th | 41 | Clóvis da Gama Ferreira | Porsche 910 | Equipe Clóvis Ferreira | 1:04.194 | 179.848 |
| 21st | 10 | Carlos Santos | Porsche 907 | | 1:04.366 | 179.368 |
| 22nd | 9 | Carlos Azevedo | Lotus 47 | | 1:05.212 | 177.041 |
| 23rd | | Antônio Castro Prado | Alfa Romeo GTA | | | |
| 24th | 72 | Fausto Pereira | Alfa Romeo GTA | | 1:08.502 | 168.538 |
| 25th | 5 | Christine Beckers | Lotus CD 47 | | 1:09.430 | 166.285 |
| 26th | 14 | Artur Passanha | Porsche 906 | | 1:17.011 | 149.916 |
| 27th | 21 | Paulo Gomes | Ford GT40 | Equipe Greco-Ford | no time | |
| 28th | 1 | Antônio Carlos Avallone | Avallone - Chrysler | | no time | |
| 29th | 17 | Gianpiero Moretti | Momo-Ferrari | Momo Racing | no time | |
| 30th | | Marinho Fernandes | Lola T70 Mk.3B GT Chevrolet | | no time | |