| 2,5 cc | ||||||
| Pos | Name | Country | Car | Engine | MPH | km/h |
| 1 | Gualtiero Picco | I | Denneler | Picco | 163,71 | 263,466 |
| 5,0 cc | ||||||
| 1 | Jack O’Donnell | USA | Piotti | – | 176,192 | 283,554 |
| 2 | Dan Bridges | USA | Hähnsen | Picco | 151,124 | 243,21 |
| 3 | Steve Morse | USA | Denneler | Picco | 107,267 | 172,63 |
| 10,0 cc | ||||||
| 1 | Paul-Otto Ströbel | CH | Dimitriew | Picco | 196,844 | 316,79 |
| 2 | Gualtiero Picco | I | Duran | Picco | 195,229 | 314,191 |
| 3 | Rich Democh | USA | Denneler | Picco | 193,54 | 311,472 |
| 4 | Dick Boone | USA | RB-1 | MAC | 190,767 | 307,01 |
| 5 | Glen Dye | USA | Denneler | Picco | 189,893 | 305,603 |
| 6 | Jack Boudakian | USA | FTL | Picco | 189,571 | 305,085 |
| 7 | Nick Tucci II | USA | Denneler | Picco | 185,024 | 297,767 |
| 8 | Loyd Torrey | USA | FTL | Picco | 183,355 | 295,081 |
| 9 | Stuart Hamill | USA | FTL | Picco | 182,786 | 294,166 |
| 10 | Steve Torrey | USA | Holiday | Picco | 181,07 | 291,404 |
| 11 | Ray Yates | USA | FTL | Picco | 180,34 | 290,229 |
| 12 | Dan Bridges | USA | Holiday | Picco | 179,587 | 289,017 |
| 13 | Phil McDonald | USA | Denneler | Picco | 170,576 | 274,515 |
| 14 | Steve Morse | USA | Denneler | Picco | – | – |
| 15 | Steve O’Donnell | USA | FTL | – | – | – |