Oldmanmopar said

I install everything in the case with the input shaft on the front of the main shaft. Then install the heated front bearing with no rings at all using a pipe and plate by tapping on the inner and outer race together. Seat it on the input shaft then install the small snap ring. Pull front on the input and install the outer ring . Your done. You don't need much heat we put the bearing in the oven so the heat is uniform.

The bearing must be heated so it slides on the input with little force holding front on the input or you could damage the synchronizers.

It is also easier assembling the trans with the tailshaft housing mounted to a engine stand using the trans mount holes and face the input up. Put the case down onto the assembly its lighter then putting the assembly into the case.

I have done them both ways over the years. One thing about having the input already in the case with the roller bearings installed is you never know if the rollers stayed in place .

This is the way we do it now. I am sure there are many ways that work. The 18 splines are to heavy for me to throw around at my age. I did snake them together the hard way in the past. Not anymore. As far as dropping the cluster and trying to hold the front and rear thrust washers in place to push the shaft in. I don't do that

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