| 1st | 42 | Giorgio Francia / Roberto Marazzi | Osella PA8 BMW | Giorgio Francia | 1:12.0600 |
| 2nd | 41 | Vittorio Brambilla / Lella Lombardi | Osella PA8 BMW | Scuderia Torino Corse | 1:12.1000 |
| 3rd | 43 | Claudio Francisci / "Gimax" | Osella PA8 BMW | Escolette | 1:12.5400 |
| 4th | 1 | Riccardo Patrese / Eddie Cheever | Lancia Beta Montecarlo Turbo | Lancia Corse | 1:13.0700 |
| 5th | 52 | Secondo Ridolfi / Giancarlo Naddeo | Lola T298 BMW | Dino Ridolfi | 1:13.8800 |
| 6th | 22 | Piercarlo Ghinzani / Andrea de Cesaris | Lancia Beta Montecarlo Turbo | Lancia Corse | 1:13.8900 |
| 7th | 48 | Arcadio Pezzali / Francesco Cerulli-Irelli | Osella PA7 BMW | Escolette | 1:14.1700 |
| 8th | 21 | Giorgio Pianta / Bernard Darniche | Lancia Beta Montecarlo Turbo | Lancia Corse | 1:14.6200 |
| 9th | 82 | Siegfried Brunn / Derek Bell | Porsche 908/3 | Siegfried Brunn | 1:15.2200 |
| 10th | 75 | Ciro Nappi / Pasquale Vecchione | Osella PA8 Ford | Pasquale Vecchione | 1:15.9300 |
| 11th | 81 | Renzo Zorzi / Luigi Moreschi | Capoferri M1 Ford | Escolette | 1:16.1700 |
| 12th | 56 | Mennato Boffa / Roberto Arfè | Osella PA6 BMW | Mennato Boffa | 1:16.2800 |
| 13th | 74 | Silvano Frisori / Ruggero Parpinelli | Osella PA6 Ford | Torino Corse | 1:16.5000 |
| 14th | 4 | Edgar Dören / Jürgen Lässig | Porsche 935 K3 | Weralit-Elora Team | 1:16.9300 |
| 15th | 72 | Maurizio Gellini / Luigino Grassi | Chevron B31 Ford | Maurizio Gellini | 1:17.1700 |
| 16th | 5 | Giancarlo Gagliardi / Carlo Facetti | Ferrari 308 GTB Turbo | Jolly Club | 1:17.2200 |
| 17th | 2 | Henri Pescarolo / Jürgen Barth | Porsche 935/77A | Sportwagen | 1:17.2800 |
| 18th | 45 | Fabio Siliprandi / Arcadio Pezzali / Mario Casoni | Lucchini S280 BMW | Fabio Siliprandi | 1:17.4000 |
| 19th | 23 | Manfred Mohr / Martino Finotto / Carlo Facetti | Lancia Beta Montecarlo Turbo | Jolly Club | 1:17.4300 |
| 20th | 71 | "Gero" / Carlo Giorgio / Antonio Bernardini | Lola T296 Ford | Jolly Club | 1:17.7600 |
| 21st | 44 | Pasquale Anastasio / Giampaolo Ceraolo | Osella PA7 BMW | Pasquale Anastasio | 1:17.7800 |
| 22nd | 76 | Salvatore Pellegrino / Vito Carone | Osella PA7 Ford | Salvatore Pellegrino | 1:17.9400 |
| 23rd | 49 | François Servanin / Laurent Ferrier | Lola T298 ROC | François Servanin | 1:18.7100 |
| 24th | 53 | Pasquale Barberio / Paolo Giangrossi | Osella PA6 BMW | Pasquale Barberio | 1:18.9400 |
| 25th | 77 | "Menes" / Franco Forini | Chevron B31 Ford | Escolette | 1:19.0400 |
| 26th | 54 | Vito Veninata / Giovanni Cascone | Osella PA6 BMW | Vito Veninata | 1:19.1000 |
| 27th | 73 | Ranieri Randaccio / "Gero" | Chevron B19 Ford | Ranieri Randaccio | 1:20.5900 |
| 28th | 6 | Carlo Pietromarchi / Maurizio Micangeli | De Tomaso Pantera | Maurizio Micangeli | 1:22.5100 |
| 29th | 27 | Pierre-François Rousselot / Jacques Berenger / Charles Geeraerts | BMW 320i | Jacques Berenger | 1:22.9500 |
| 30th | 28 | Jan Lundgardh / Eberhard Braun | Porsche 935 L1 | Tuff-Kote Dinol Racing | 1:23.0900 |
| 31st | 7 | "Baronio" / "Spiffero" | De Tomaso Pantera | "Spiffero" | 1:24.5100 |
| 32nd | 25 | Enzo Calderari / Willi Spavetti / Marco Vanoli | BMW 320i | Eggenberger Motorsport | 1:24.5500 |
| 33rd | 29 | Sandro Cinotti / Giuseppe Piazzi / Leandro La Vecchia | Fiat X1/9 | Giuseppe Piazzi | 1:24.7200 |
| 34th | 14 | Tony Dron / Richard Cleare | Porsche 934 | Richard Cleare Racing | 1:24.9600 |
| 35th | 9 | Angelo Pallavicini / Peter Bernhard | Porsche 934 | Angelo Pallavicini | 1:25.6000 |
| 36th | 11 | Sergio Rombolotti / Claudio Magnani | Ferrari 308 GTB | Jolly Club | 1:26.4900 |
| 37th | 31 | Luigi Rampa / Luciano Galluzzo | Alfa Romeo GTA | Luigi Rampa | 1:28.5600 |