I’m working on a knowledge post about the S30’s automatic transmissions, and for that, I tried to update my document collection. Since I don’t have any Auto transmission and don’t plant to install one ever, it was obviously never a priority. So recently a few things arrived again from all over the world. Some of them are pretty cool and rare: First, a set of original Nissan Japan 3N71B Auto transmission service manuals from 1971 and 1973. They’re not specific to this car, but they have some good general information about that specific transmission. I also got the English version of the earlier 3N71A transmission manual. This time specific for…