| 1st | 2 | Vittorio Brambilla | Alfa Romeo T33/SC/12 | Autodelta | 1:42.5300 |
| 2nd | 3 | Arturo Merzario | Alfa Romeo T33/SC/12 | Autodelta | 1:42.8900 |
| 3rd | 6 | Rolf Stommelen / Jörg Obermoser | TOJ SC302 Ford | Team Warsteiner Eurorace | 1:46.0300 |
| 4th | 37 | Giorgio Francia / Silvio Artina | Osella PA5 BMW | Osella Squadra Corse | 1:48.7800 |
| 5th | 9 | Reinhold Jöst / Brett Lunger | Porsche 908/3 Turbo | Joest Racing | 1:49.3400 |
| 6th | 42 | Danilo Tesini / "Gianfranco" | Osella PA5 BMW | Danilo Tesini (Torino Corse) | 1:49.4400 |
| 7th | 5 | Mauro Nesti / Lorenzo Niccolini | Chevron B27S Ford | Mauro Nesti (Scuderia Nord Ovest) | 1:49.5400 |
| 8th | 15 | Lella Lombardi / Giorgio Pianta | Lola T282 Ford | Jolly Club | 1:50.7400 |
| 9th | 32 | Giovanni Anzeloni / "Gimax" | Lola T296 BMW | Giovanni Anzeloni (Torino Corse) | 1:51.9300 |
| 10th | 19 | Peter Hoffmann | McLaren M8F Chevrolet | Autohaus Karell Mainz | 1:52.6000 |
| 11th | 7 | Kurt Hild / Jörg Obermoser | TOJ S301 Ford | Team Warsteiner Eurorace | 1:53.4300 |
| 12th | 24 | Arcadio Pezzali / Giuseppe Ranzolin | Osella PA4 BMW | Arcadio Pezzali | 1:53.5900 |
| 13th | 48 | Loris Kessel / Romeo Camathias | Sauber C5 BMW | Francy Racing | 1:53.6500 |
| 14th | 38 | "Amphicar" / Giuseppe Virgilio | Osella PA5 BMW | Scuderia Ateneo | 1:53.8900 |
| 15th | 46 | Eugen Strähl / Peter Bernhard | Sauber C5 BMW | Francy Racing | 1:53.9400 |
| 16th | 31 | Pier Giorgio Mussa / Carlo Giorgio | GRD S74 Ford | Pier Giorgio Mussa (Scuderia Nord Ovest) | 1:54.9200 |
| 17th | 43 | Angelo Giliberti / Domenico Giannotti | Osella PA5 BMW | Lloyd Centauro Italiano | 1:54.9500 |
| 18th | 41 | Ermanno Pettiti / Roby Filannino | Osella PA5 BMW | Ermanno Pettiti (Torino Corse) | 1:55.1700 |
| 19th | 28 | Luigi Colzani / Gabriele Ciuti | Osella PA4 BMW | Jolly Club | 1:55.2100 |
| 20th | 44 | "Pal Joe" / Giancarlo Gagliardi | Osella PA4 Ferraris | "Pal Joe" (Scuderia Escolette) | 1:56.6700 |
| 21st | 52 | Claudio Francisci / Giuseppe Fiaccadori | Chevron B31 Ford | Claudio Francisci | 1:56.8100 |
| 22nd | 39 | Giorgio Schön / "Pal Joe" | Osella PA5 BMW | Jolly Club | 1:57.6100 |
| 23rd | 50 | Ian Bracey / Tony Charnell | Chevron B31 Hart | Chandler Ibec International Team Lloyds | 1:57.6200 |
| 23rd | 34 | Skeeter McKitterick / Ian Harrower | Lola T294S Ford | Ultramar Lola | 1:59.5500 |
| 24th | 40 | Georges Morand / Christian Blanc | Lola T296 Ford | G.V.E.A. | 1:58.3800 |
| 25th | 61 | Franco Milano / Luigi Pozzo | Osella PA4 BMW | Franco Milano (Torino Corse) | 1:58.5300 |
| 26th | 35 | Ernst Berg / Simon Phillips | Lola T294S Ford | Dorset Racing Associates | 1:58.6100 |
| 28th | 53 | Ubaldo Smittarello / Ivano Giuliani | Chevron B21 Ford | Ubaldo Smittarello | 1:59.9200 |
| 29th | 21 | Daniel Brillat / Eric Vuagnat | Cheetah G601 BMW | Daniel Brillat | 2:00.3400 |
| 30th | 63 | Adelino Zenone / Italo Pain | Osella PA5 Ford | Adelino Zenone (Scuderia S. Marco) | 2:00.5000 |
| 31st | 62 | Marco Onori / Maurizio Orsi | Osella PA5 Ford | Marco Onori | 2:00.5600 |
| 32nd | 8 | Manrico Zanuso | Deutsch Special Porsche 908 | Deutsch Brothers Racing | 2:00.9300 |
| 33rd | 67 | Pasquale Anastasio / Giampaolo Ceraolo | Osella PA4 BMW | Pasquale Anastasio (Scuderia Nord Ovest) | 2:01.3900 |
| 34th | 51 | Stefano Sebastiani / Ranieri Randaccio | Chevron B23 Ford | Stefano Sebastiani | 2:01.8400 |
| 35th | 58 | Pier Ugo Prati / "Raul" | Osella PA3 Ford | Pier Ugo Prati (Scuderia S. Marco) | 2:02.2600 |
| 36th | 64 | "Gero" | AMS 277 Ford | A M S | 2:03.4900 |