Dodge enclosed knuckle question

I am restoring a 1966 power wagon for a long time good customer and I want to do everthing in the best possible fashion. So heres my question, The 1960,s motors manual indicates to use a short fiber grease for the lube in the knuckle, What is short fiber grease? is it typically a lithium base or is it sodium?

There is a varation on this Dodge version of the enclosed knuckle the upper trunion bushing yes its a brass tappered bushing that rides in the exact same race as a trunion bearing.

Also If I remember correctly, The preload specs for Dodge is up to 30 ft lbs of pull vrs the 5-10 or so of other manufacuters Is this because of the bushing instead of the bearing?

I think Dodge was on to something here since the upper support always seems to be the first place wear occurs,
 
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