Quote
following data:

12-8-55
NP
C91171
I loaned out my 1963 shop manual to a friend and the 1960 shop manual I have sitting here doesnt have the info on the NP trannies... NEW Process was used by chevy and GMC at some point after 1960.

hmm, not in the 61 supplement either. I dont have a 62 supplement but would expect to find the info you need in my 1963 shop manual... I will post here when I get it back (you may want to email me directly and remind me in a couple days though)