| 1st | 11 | Rolf Stommelen / Toine Hezemans | Porsche Carrera RSR | Polifac Racing Team Gelo | 1:44.9000 |
| 2nd | 29 | Hans Heyer / Paul Keller | Porsche 911 Carrera RSR 3.0 | Samson Kremer Team | 1:45.1000 |
| 3rd | 32 | John Fitzpatrick / Gijs van Lennep | Porsche 911 Carrera RSR 3.0 | Samson Kremer Team | 1:46.3000 |
| 4th | 23 | Pino Pica / Ennio Bonomelli | Porsche 911 Carrera RSR 3.0 | Bonomelli Squadra Corse | 1:46.5000 |
| 5th | 12 | Tim Schenken / Manfred Schurti | Porsche 911 Carrera RSR 3.0 | Polifac Racing Team Gelo | 1:46.7000 |
| 6th | 15 | Arturo Merzario / Giovanni Borri / Giorgio Schön | Porsche Carrera RSR | Jolly Club | 1:46.9000 |
| 7th | 4 | Mario Casoni / "Gero" | De Tomaso Pantera | Jolly Club | 1:47.0000 |
| 8th | 19 | Bengt Ekberg / Hartwig Bertrams | Porsche Carrera RSR | Hartwig Bertrams | 1:47.2000 |
| 9th | 9 | Claude Ballot-Léna / Bob Wollek | Porsche 911 Carrera RSR 3.0 | Robert Buchet | 1:47.5000 |
| 10th | 16 | Claude Haldi / Bernard Chenevière | Porsche 911 Carrera RSR 3.0 | Porsche Club Romand | 1:48.2000 |
| 11th | 35 | Roland Larsson / Kurt Simonsen | Porsche 911 Carrera RSR | Team Vastkuststugan | 1:48.9000 |
| 12th | 14 | Clemens Schickentanz / Jürgen Barth | Porsche 911 Carrera RSR | Polifac Racing Team Gelo | 1:49.6000 |
| 13th | 1 | Gabriele Gottifredi / Giancarlo Galimberti | De Tomaso Pantera | Gabriele Gottifredi (Squadra Corse Media) | 1:50.1000 |
| 14th | 24 | "Tambauto" / "Machenna" | Porsche Carrera RS | Scuderia Brescia Corse | 1:51.3000 |
| 15th | 18 | Edy Brandenberger / Harry Blumer | Porsche 911 Carrera RSR 3.0 | Porsche Club Romand | 1:51.4000 |
| 16th | 8 | Massimo de Antoni / Giovanni Vasari | Ferrari 365 GTB/4 | Bleu Team | 1:52.1000 |
| 17th | 3 | Marcello Gallo / Ugo Locatelli | De Tomaso Pantera | Bleu Team | 1:55.0000 |
| 18th | 38 | Pierre-François Rousselot / Raymond Touroul | Porsche Carrera RS (Gr.3) | Raymond Touroul | 1:55.2000 |
| 19th | 36 | Dominique Bardini / Cyril Grandet | Porsche Carrera RS (Gr.3) | "Bardini" | 1:56.0000 |
| 20th | 7 | Martino Finotto / "Pal Joe" | De Tomaso Pantera (Gr.3) | Scuderia Citta 'dei Mille | 1:56.5000 |
| 21st | 33 | Girolamo Capra / Angelino Lepri | Porsche Carrera | Girolama Capra (Scuderia Palladio) | 1:57.9000 |
| 22nd | 41 | Jean Ragnotti / Thierry Sabine | Porsche Carrera RS (Gr.3) | Jean Sage | 1:58.1000 |
| 23rd | 49 | Giorgio Pianta / Elvio Maria Zanini | Porsche 914/6 | Elvio Maria Zanini | 1:59.0000 |
| 24th | 39 | Giorgio Schön / Kemal Nuri Pelit / Giovanni Borri | Porsche Carrera RS (Gr.3) | Jolly Club | 1:59.8000 |
| 25th | 43 | Gianfranco Ricci / Sergio Rombolotti | Alpine A110 1800 Renault | Giada Auto | 2:00.0000 |
| 26th | 64 | Luigi Colzani / Angelo Chiapparini | Alfa Romeo GTA | Autolodi Corse | 2:01.0000 |
| 27th | 34 | Jean-Robert Corthay / Georges Morand | Porsche Carrera | Bricolens Interracing Switzerland | 2:01.3000 |
| 28th | 37 | Silvano Pittini / Antonio Zanussi | Porsche Carrera RS (Gr.3) | Antonio Zanussi | 2:01.9000 |
| 29th | 6 | "Delta" / Marco Micangeli | De Tomaso Pantera (Gr.3) | Bleu Team | 2:02.4000 |
| 30th | 44 | Roberto Chiaramonte / Salvatore Barraco | Alpine A110 1800 Renault | Giada Auto | 2:02.5000 |
| 31st | 56 | Giampietro Fusar Bassini / Gaudenzio Uboldi | Alfa Romeo GTA | Fusar Basini G. Pietro C. Pietro | 2:02.5000 |
| 32nd | 48 | Carlo Fabri / Angelo Mola | Porsche 914/6 | "CAM" | 2:03.5000 |
| 33rd | 66 | Ferruccio Caliceti / Emilio Paleari | Alpine A110 1600 S Renault | Giada Auto | 2:03.6000 |
| 34th | 45 | Luigi Rampa / Gian Giacomo Oddero | Alpine A110 1800 Renault | Giada Auto | 2:03.6000 |
| 35th | 2 | Carlo Pietromarchi / Maurizio Micangeli | De Tomaso Pantera | Bleu Team | 2:03.7000 |
| 36th | 5 | Federico Martignone / Attilio Salvatori | De Tomaso Pantera | Bleu Team | 2:03.8000 |
| 37th | 51 | Camilio Citterio / Giorgio del Curto | Porsche 914/6 | Scuderia Citta 'dei Mille | 2:04.1000 |
| 38th | 52 | Bruno Rebai / Carlo Rebai | Porsche 914/6 | Scuderia Città dei Mille | 2:04.2000 |
| 39th | 59 | Bocconi / Piero Caronni | Alfa Romeo GTA | Piero Caronni | 2:04.6000 |
| 40th | 63 | Edoardo Di Rienzo / "Galeno" | Alfa Romeo GTA | Edoardo Di Rienzo (Scuderia 4 Mori) | 2:05.2000 |
| 41st | 83 | Tarcisio Fornera / Paolo Zuercher | Fiat X1/9 | Scuderia Citta 'dei Mille | 2:06.2000 |
| 42nd | 55 | Vincenzo Mirto Randazzo / Raffaele Restivo | Alfa Romeo GTA | Scuderia Ateneo | 2:06.9000 |
| 43rd | 65 | Luigi Pozzo / Giacinto Caio | Alfa Romeo GTA | Monzeglio Squadra Corse | 2:07.4000 |
| 44th | 81 | "Vagabondo" / "Tony" | Alpine A110 1300 S Renault | Giada Auto | 2:07.6000 |