With biketsai's help I was able to find out that my rear diff (4.11 gearing) needed to be swapped out in favor of the 3.89 (from a 5 speed). You should do this at the same time as the tranny since everything is already out of the way (exhaust/driveshaft etc). You will also need a driveshaft from a 5 speed. While I don't know 100% if it is necessary to swap the diff it's better to be safe than sorry.
Everything I have is coming from a 99.5 with low miles. I'll post a list of everything I purchased and from where later on. I will also post up the steps I took (starting with dropping the diff and driveshaft AKA d/s). The dropping of the exhaust is pretty straight forward (so if you can't handle that aspect I would reconsider doing this swap)
For now here are a couple of pics of what has come in so far.
Brand new 5 speed axles (front) I dont think rears are necessary-correct me if I'm wrong.

Diff and d/s

More to come soon......
*Sorry mods move if necessary*
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