| 54 (297 to 307) Mexico 116(116) - 102.2(98) Colombia (36 to 23) 70: 18JUL1978 |
| 75 (449 to 474) Dominicana 86.6(74) - 68(68) Mexico (324 to 297) 81: 17JUL1978 |
| 54 (628 to 636) Cuba 94.4(93) - 86(86) Mexico 'C' (332 to 324) 54: 15JUL1978 |
| 75 (802 to 807) Puerto Rico 124.4(116) - 76(76) Mexico (337 to 332) 81: 13JUL1978 |
| 81 (335 to 337) Mexico 160(160) - 88.6(76) Belize (-330 to -333) 135: 12JUL1978 |
| 75 (406 to 440) Dominicana 106.6(94) - 89(89) Mexico (372 to 335) 81: 11JUL1978 |
| 75 (794 to 800) Puerto Rico 120.4(112) - 82(82) Mexico (379 to 372) 81: 10JUL1978 |
| 54 (374 to 379) Mexico 82(82) - 74.2(56) Netherlands Antilles (-7 to -17) 100: 09JUL1978 |
| 54 (364 to 374) Mexico 117(117) - 102.4(87) Bahamas (113 to 96) 90: 08JUL1978 |