| «1978-04» | USA West Grand Prix - IV Grand Prix of Long Beach |
| 1978-04-02 | Long Beach - 80 laps × 3.251 km : 261.705 km (offset 1625 m) |
| Pos | Car | Driver | Constructor | Time | Speed | Lap | Gap |
|---|---|---|---|---|---|---|---|
| 1 | 27 | Alan Jones | Williams • Ford Cosworth | 01:22.215 | 142.354 km/h | 27 | |
| 2 | 11 | Carlos Reutemann | Ferrari | 01:22.323 | 142.167 km/h | +00.108 | |
| 3 | 26 | Jacques Laffite | Ligier • Matra | 01:22.569 | 141.743 km/h | +00.354 | |
| 4 | 12 | Gilles Villeneuve | Ferrari | 01:22.575 | 141.733 km/h | +00.360 | |
| 5 | 6 | Ronnie Peterson | Lotus • Ford Cosworth | 01:22.626 | 141.645 km/h | +00.411 | |
| 6 | 35 | Riccardo Patrese | Arrows • Ford Cosworth | 01:22.655 | 141.596 km/h | +00.440 | |
| 7 | 1 | Niki Lauda | Brabham • Alfa Romeo | 01:22.727 | 141.473 km/h | +00.512 | |
| 8 | 5 | Mario Andretti | Lotus • Ford Cosworth | 01:22.835 | 141.288 km/h | +00.620 | |
| 9 | 14 | Emerson Fittipaldi | Copersucar • Ford Cosworth | 01:22.868 | 141.232 km/h | +00.653 | |
| 10 | 4 | Patrick Depailler | Tyrrell • Ford Cosworth | 01:22.871 | 141.227 km/h | +00.656 | |
| 11 | 8 | Patrick Tambay | McLaren • Ford Cosworth | 01:22.915 | 141.152 km/h | +00.700 | |
| 12 | 20 | Jody Scheckter | Wolf • Ford Cosworth | 01:23.070 | 140.888 km/h | +00.855 | |
| 13 | 36 | Rolf Stommelen | Arrows • Ford Cosworth | 01:23.330 | 140.449 km/h | +01.115 | |
| 14 | 2 | John Watson | Brabham • Alfa Romeo | 01:23.454 | 140.240 km/h | +01.239 | |
| 15 | 17 | Clay Regazzoni | Shadow • Ford Cosworth | 01:23.641 | 139.927 km/h | +01.426 | |
| 16 | 15 | Jean-Pierre Jabouille | Renault | 01:23.732 | 139.775 km/h | +01.517 | |
| 17 | 7 | James Hunt | McLaren • Ford Cosworth | 01:24.203 | 138.993 km/h | +01.988 | |
| 18 | 19 | Vittorio Brambilla | Surtees • Ford Cosworth | 01:24.242 | 138.928 km/h | +02.027 | |
| 19 | 10 | Jean-Pierre Jarier | ATS • Ford Cosworth | 01:24.703 | 138.172 km/h | +02.488 | |
| 20 | 9 | Jochen Mass | ATS • Ford Cosworth | 01:24.734 | 138.122 km/h | +02.519 | |
| 21 | 3 | Didier Pironi | Tyrrell • Ford Cosworth | 01:25.232 | 137.315 km/h | +03.017 | |
| 22 | 37 | Arturo Merzario | Merzario • Ford Cosworth | 01:26.756 | 134.902 km/h | +04.541 |