It will, but you want to make sure it's the same gear ratio, which would be determined by the RPO codes on the glove compartment door.
YES.
90 W Gear oil
No it will not.
I think it would work but you might want to check before you try
Yes. In the early 90's, Chevy made a SS truck, with the 454 in it.
80w-90
Yes it will fit. But this is what you will need to make it run RIGHT. You will need the complete engine,transmission and fuel pump wiring harness. The computer and the transmission plus the electric fuel pump. And all of these things MUST come from the 97 truck and be installed in the 90 truck are you will never get the engine running. You will also need the oxygen sensors out of the exhaust system on the 97 it has 2 of them and the 90 model has 1.
Dextron-II
yes
No they won't work, Car and truck wheel stud patterens are different.Will not interchange.
Dextron II--ATF
it will physicly fit but the 99 is a different design and is electronicly shifted and the 90 is not