1978-4-Sun Trophy
Mallory Park, 1 maggio 1978
| ELENCO ISCRITTI | |||
| # | Pilota | Squadra | Monoposto |
| 1 | Tony Trimmer | Melchester Racing | McLaren M23 – Ford |
| 3 | Bruce Allison | RAM Racing | March 75A – Ford |
| 4 | Guy Edwards | RAM Racing | March 781 – Ford |
| 5 | Emilio de Villota | Centro Asegurador F1 | McLaren M25 – Ford |
| 6 | Mike Wilds | Graham Eden Racing | Ralt RT1 – Ford |
| 7 | Val Musetti | Val Musetti | March 762 – Ford |
| 9 | Geoff Lees | Mario Deliotti Racing | Ensign N175 – Ford |
| 11 | Teddy Pilette | BRM Ltd. | BRM P207 |
| 15 | Kim Mather | Kim Mather | Chevron B35 – Ford |
| 17 | John C.Cooper | J. C. Racing Ltd. | Williams FW05 – Ford |
| 18 | Iain McLaren | McLaren´s of Broxburn | Chevron B35 – Ford |
| 20 | Adrian Russell | Adrian Russell | March 762 – Ford |
| 23 | Andy Barton | Andy Barton | Barton JTB3 – Ford |
| 38 | Alan Baillie | Alan Baillie | March 752 – Ford |
| 65 | Gerd Biechteler | ÖASC Racing Team | March 761 – Ford |
QUALIFICA
| 1 | Tony Trimmer | McLaren M23 – Ford | 41.510 |
| 2 | Kim Mather | Chevron B35 – Ford | 42.490 |
| 3 | Bruce Allison | March 75A – Ford | 42.510 |
| 4 | Guy Edwards | March 781 – Ford | 42.670 |
| 5 | Val Musetti | March 762 – Ford | 42.690 |
| 6 | Mike Wilds | Ralt RT1 – Ford | 42.850 |
| 7 | Teddy Pilette | BRM P207 | 43.070 |
| 8 | Emilio de Villota | McLaren M25 – Ford | 43.900 |
| 9 | Andy Barton | Barton JTB3 – Ford | 43.960 |
| 10 | John C.Cooper | Williams FW05 – Ford | 44.180 |
| 11 | Iain McLaren | Chevron B35 – Ford | 44.570 |
| 12 | Geoff Lees | Ensign N175 – Ford | 45.490 |
| 13 | Adrian Russell | March 762 – Ford | 46.830 |
| 14 | Alan Baillie | March 752 – Ford | 48.650 |
| 15 | Gerd Biechteler | March 761 – Ford |
CLASSIFICA
| Pos | # | Giro | ||
|---|---|---|---|---|
| 1 | 9 | Geoff Lees | Ensign N175 – Ford | 75 |
| 2 | 1 | Tony Trimmer | McLaren M23 – Ford | 75 |
| 3 | 7 | Val Musetti | March 762 – Ford | 75 |
| 4 | 5 | Emilio de Villota | McLaren M25 – Ford | 75 |
| 5 | 15 | Kim Mather | Chevron B35 – Ford | 75 |
| 6 | 3 | Bruce Allison | March 75A – Ford | 75 |
| 7 | 6 | Mike Wilds | Ralt RT1 – Ford | 74 |
| 8 | 17 | John C.Cooper | Williams FW05 – Ford | 73 |
| 9 | 18 | Iain McLaren | Chevron B35 – Ford | 73 |
| 10 | 4 | Guy Edwards | March 781 – Ford | 73 |
| 11 | 65 | Gerd Biechteler | March 761 – Ford | 72 |
| 12 | 23 | Andy Barton | Barton JTB3 – Ford | 72 |
| 13 | 20 | Adrian Russell | March 762 – Ford | 70 |
| 14 | 38 | Alan Baillie | March 752 – Ford | 67 |
| ab | 11 | Teddy Pilette | BRM P207 | 30 |
