Your ratios appear to be a little off, but they are very close to the 77-79 5 speed:
Gear, 77-79, 1980, 81-83, Borg Warner T-5 {Turbo Only]
1, 3.321, 3.062, 3.062, 3.500
2, 2.077, 1.858, 1.858, 2.144
3, 1.308, 1.308, 1.308, 1.375
4, 1.000, 1.000, 1.000, 1.000
5, 0.864, 0.773, 0.745, 0.780