| 1st | 12 | Martino Finotto / Carlo Facetti | Ferrari 308 GTB Turbo | Jolly Club | 1:46.4900 |
| 2nd | 31 | Piercarlo Ghinzani / Andrea de Cesaris | Lancia Beta Montecarlo Turbo | Martini Racing | 1:48.0400 |
| 3rd | 11 | Siegfried Brunn / Eddie Jordan | Porsche 908/3 TC | Siegfried Brunn | 1:48.5600 |
| 4th | 4 | Dieter Schornstein / Harald Grohs | Porsche 935J | Vegla Racing Team | 1:50.2900 |
| 5th | 8 | Guy Edwards / Emilio de Villota | Lola T600 Ford | Grid Team Lola | 1:50.5100 |
| 6th | 44 | "Gimax" / Luigi Moreschi | Osella PA9 BMW | Scuderia Escalotte | 1:51.5300 |
| 7th | 33 | Giorgio Pianta / Giorgio Schön / Beppe Gabbiani | Lancia Beta Montecarlo Turbo | Jolly Club | 1:51.5300 |
| 8th | 43 | Lella Lombardi / Giorgio Francia | Osella PA9 BMW | Osella Squadra Corse | 1:53.1800 |
| 9th | 1 | Riccardo Patrese / Eddie Cheever | Lancia Beta Montecarlo Turbo | Martini Racing | 1:53.7300 |
| 10th | 38 | Pasquale Barberio / Marcello Gallo | Osella PA8 BMW | Pasquale Barberio | 1:54.4000 |
| 11th | 16 | Teo Fabi / Dieter Quester | BMW M1 Gr.5 | ORECA | 1:54.9200 |
| 12th | 21 | Derek Bell / Steve O'Rourke | BMW M1 | EMKA Productions | 1:55.2900 |
| 13th | 3 | Edgar Dören / Gerhard Holup / Jürgen Lässig | Porsche 935 K3 | Weralit Racing Team | 1:55.4100 |
| 14th | 5 | John Cooper / Dudley Wood | Porsche 935 K3 | Charles Ivey Racing | 1:55.6900 |
| 15th | 45 | Luigi Colzani / Gabriele Ciuti | Osella PA7 BMW | Luigi Colzani | 1:58.6900 |
| 16th | 15 | Maurizio Flammini / Spartaco Dini / Fabrizio Violati | Ferrari 512 BB/LM Pininfarina | Scuderia Supercar Bellancauto | 1:59.9900 |
| 17th | 18 | Pierre-François Rousselot / François Servanin / Laurent Ferrier | BMW M1 | BMW Zol Auto | 2:01.0100 |
| 18th | 6 | Jürgen Barth / Christian Bussi / Jacques Guérin | Porsche 935 | Christian Bussi | 2:01.0700 |
| 19th | 52 | Maurizio Gellini / Secondo Ridolfi | Chevron B31 Ford | Maurizio Gellini | 2:01.3000 |
| 20th | 54 | Silvano Frisori / Ruggero Parpinelli | Osella PA8 Ford | Silvano Frisori | 2:02.1100 |
| 21st | 48 | Germano Nataloni / Gianfranco Ricci | Lancia Beta Montecarlo Turbo | Germano Nataloni | 2:02.3600 |
| 22nd | 51 | Mario Benusiglio / Mario Catanese | Osella PA6 Armaroli | Mario Benusiglio | 2:02.8700 |
| 23rd | 53 | "Perrier" / Vito Veninata / Giuseppe Iacono | Osella PA6 Ford | "Perrier" | 2:03.0200 |
| 24th | 55 | Luigi de Angelis / Adriano Gozzi | Osella PA6 Ford | Luigi de Angelis | 2:05.9000 |
| 25th | 27 | Peter Zbinden / Edi Kofel | Porsche 924 Carrera GTR | Formel Rennsport Club, Zurich | 2:06.2800 |
| 26th | 57 | Giuseppe Piazzi / Leandro La Vecchia / Sandro Cinotti | Fiat X1/9 Dallara | Giuseppe Piazzi | 2:06.4500 |
| 27th | 58 | Ezio Baribbi / Dario Luraghi / "Sibi" | Chevron B36 Ford | Ezio Baribbi | 2:06.7100 |
| 28th | 7 | Gabriele Gottifredi / Giancarlo Galimberti / Giulio Rebai | Porsche Carrera RSR Turbo | Gabriele Gottifredi | 2:06.9900 |
| 29th | 42 | Piero Nappi / Pasquale Vecchione | Osella PA8 BMW | Piero Nappi | 2:08.2500 |
| 30th | 22 | Richard Lloyd / Tony Dron | Porsche 924 Carrera GTR | Canon Cameras Racing/GTi Engineering | 2:09.9300 |
| 31st | 23 | Renzo Zorzi / Federico D'Amore | Lola T286 Ford | Italsponsor | 2:11.0800 |
| 32nd | 9 | Pierre Honegger / Jean-Paul Libert / M. L. Speer | Mazda RX-7 | Z & W Enterprises | 2:11.4300 |
| 33rd | 19 | Marco Vanoli / Umberto Grano | BMW M1 | Umberto Grano | 2:11.8700 |
| 34th | 2 | Peter Hähnlein / Wolf-Dieter Feuerlein | Porsche 935 | MFG Valvoline Racing | 2:16.3200 |