There is one mechanism on a turbo 350 for shifting into PRND21. I would not describe it as a shifting lever since it is a shaft sticking out the side of the trans case. For that reason your question doesn't make much sense. Perhaps rewording would help.
No turbo 350's in 1992.
no
Yes,
350 turbo
350 turbo.
yes
4l60E or an r400 transmission
Dexron 3
Probably a turbo 350.
Yes it will.
Should be the 700R4 transmission.
no