Round 2
| Date | Winner | Score | Loser | Score | Venue |
|---|---|---|---|---|---|
| 17/05/78 | South Sydney | 22 | Western Division | 9 | Leichhardt Oval |
| 30/03/78 | Brisbane Wests* | 8 | Wynnum-Manly | 8 | Lang Park |
| 30/03/78 | Newtown | 49 | Brothers | 0 | Leichhardt Oval |
| 5/04/78 | Brisbane Souths | 10 | Gold Coast | 4 | Gold Coast |
| 5/04/78 | Illawarra | 35 | Valleys | 7 | Lang Park |
| 12/04/78 | Riverina | 43 | Wide Bay | 4 | Griffith |
| 12/04/78 | Newcastle | 51 | Western Australia | 5 | Newcastle |
| 24/05/78 | North Coast | 22 | Toowoomba | 13 | Lismore |
Read more about this topic: 1978 Amco Cup