NV 3500 5 speed swap

Well, that first gear will definitely get you out of the hole quick! Maybe too quick...good for stump pullin', though :)
Here's the gear ratios:
1st 4.01
2nd 2.32
3rd 1.40
4th 1.00
5th 0.73

Compare that to an overdrive A-833:
1st 3.09
2nd 1.67
3rd 1.00
4th 0.73