Hy BignScar, further research has identified two possible ratio options, one is 6.13 to 1 in high gear, 8.10 to 1 in low gear, or 6.70 to 1 in high gear, 8.86 to 1 in low gear, hope that helps.
So if I want this to be capable of freeway driving one day, and I keep this stock
Differential, hook it up to; let's say.. a 4L80e, what do you believe top speed in overdrive will be?