| No | 
Pilote | 
Team | 
Voiture | 
| 1 | Vittorio Brambilla/Arturo Merzario | Autodelta SpA | Alfa Romeo 33TS12 | 
| 2 | Jean-Pierre Jarier/Jacques Laffite | Renault Alpine | Alpine Renault A442 Turbo | 
| 3 | Jody Scheckter/Henri Pescarolo | Renault Alpine | Alpine Renault A442 Turbo | 
| 4 | Reinhold Jöst/Ernst Kraus | Joest Racing | Porsche 908/4 Turbo | 
| 5 | Jürgen Barth/Reinhold Jöst/Horst Godel | Joest Racing | Porsche 908/3 | 
| 6 | Mario Casoni/Marco Capoferri | Nettuno | Lola T390 Ford | 
| 7 | Jacky Ickx/Jochen Mass | Martini Racing | Porsche 936 Turbo | 
| 9 | Teodoro Zeccoli/Bruno Ottomano | Aequator Cottages | Alfa Romeo 33TT3 | 
| 10 | Eberhard Braun/Günther Egermann | Sports Car Team of Austria | KMW SP30 Porsche | 
| 11 | Kurt Ahrens Jr/Eberhard Braun | Sports Car Team of Austria | KMW SP30 Porsche | 
| 12 | Manrico Zanuso/John Blanckley | John Blanckley | Chevron B31 Ford | 
| 21 | Diulio Truffo/'Pal Joe' | 'Pal Joe' | Osella PA4/3 Ferraris | 
| 22 | François Servanin/Laurent Ferrier | Racing Organisation Course | Chevron B36 ROC | 
| 23 | 'Amphicar'/Armando Floridia | Ateneo | Osella PA4 BMW | 
| 24 | Claudio Francisci/Giancarlo Naddeo | Nettuno | Alpine Renault A441 | 
| 29 | Giorgio Pianta/Anna Cambiaghi | Jolly Club | Osella PA2 Abarth | 
| 30 | Roby Filannino/Ermanno Pettiti | Torino Corse | Osella PA4 BMW | 
| 31 | Danilo Tesini/Marco Crosina | Torino Corse | Osella PA4 BMW | 
| 33 | Spartaco Dini/Giovanni Anzeloni | Torino Corse | Osella PA4 BMW | 
| 34 | Giuseppe Piazzi/Sandro Cinotti | Giuseppe Piazzi | Chevron B36 BMW | 
| 35 | Herbert Müller/Rodolfo Cescato | Francy Racing | Sauber C5 BMW | 
| 37 | Claude Crespin/Simon Phillips | Dorset Racing Associates | Lola T290 Ford | 
| 38 | Ian Bracey/Tony Birchenhough | Dorset Racing Associates | Lola T290/4 Ford | 
| 39 | 'King' | Aretusa | March 75S BMW | 
| 40 | 'Gimax'/Stanislao Sterzel | Sesto Corse | March 75S BMW | 
| 60 | Marcello Gallo/Maurizio Gellini | Marcello Gallo | Chevron B23 Alfa Romeo | 
| 61 | Vitto Carbonara/Antonio Petruzzi | Aequator Cottages | GRD S74 Ford | 
| 62 | Luigi Pozzo/Franco Milano | Rododendri | Osella PA3 Ford | 
| 63 | Gianfranco Trombetti/'Tore' | 'Tore' | Osella PA4 Ford | 
| 64 | Ubaldo Smitarello/Giuseppe Bottura | San Marco | Osella PA3 Ford | 
| 66 | Luigi de Angelis/Pier Ugo Prati | Nord-Ovest | AMS 71 Ford | 
| 67 | Arcadio Pezzali/Giuseppe Ranzolin | Mendola | Chevron B23 Ford | 
| 68 | Egidio Nicolosi/Giulio Dubrini | San Marco | Chevron B21 Ford | 
| 76 | Alessandro Guidetti/Fabio Siliprandi | Mendola | Dallara-Fiat 1300 | 
| 78 | Pasquale Anastasio/'Tambauto' | Nord-Ovest | Chevron B26 Ford | 
| 91 | Fernando Spreafico/Tiziano Serattini | Nettuno | GiPi 1000 Ferraris |