64 differential gears to 66 housing

[vince1]

I have a 64 3.73 12 bolt diff in good shape and a 66 12 bolt housing where the gear set was trashed. If the spiders and axles are different in the 64 I can probably re-use them from the 66. Is it feasible to move the pinion and carrier assemblies from the 64 over to the 66?

I currently have a 3.08 from a 70 in my 66 truck with 4sp but thought the 3.73 would be better if switching over to a 700R4. Tires are 2.35 75 R 15.

Thanks for any advice offered.