I was able to find the time to swing by a local Nissan dealer and pickup the throw out bearing collar I ordered last week. This is the short collar - correct for use with a 240z clutch assembly:
re
I got new springs for that collar and the clutch fork as well for good measure, and I ordered a speedometer drive gear assembly. The one I ordered has a red gear to match the 4.11 diff. gear ratio.
The throw out bearing was the last thing keeping me from installing the engine and transmission in the car... so, I did that tonight!
It was a bit tricky to maneuver everything. Engine and transmission are sitting on car dollies, with wood stacked to get sufficient height and stability for mating up with the car body coming down from above using my lift. Having the assembly on wheels was important for alignment with the car body. I shot some video, but it sucks. Those Youtube people have talent. I will explore editing them and see if I can salvage anything worth viewing.
Front crossmember hardware:
Transmission to engine and transmission mount hardware - one of the transmission to engine bolts is extra. It only requires 4:
The engine is in!