I plan to use this in my 75 280z. The oil gutter was broken, oil leaked out from the shifter. I am in the process of replacing the missing gutter, put on some new seals while I have it apart and examine the bearings and gears. Could use some help on the oil seal on the shift rod.
here is a pic of my custom made snap ring puller, works even if you have managed to break a prior tool and left a metal tooth stuck in the holes of the snap ring. I had to use both hands to pull the plier handles apart and when I got them open just a bit I had a help wedge a chisel blade into the jaws of the pliers holding them open then I could more easily work the tool and pull back extracting the snap ring.
I also included a pic of spring #26 it the diagram that Eurodat posted up, with a