They are 5on 5 chevy just like all the others
Yes
No they will not.
No, car and truck wheels are different in size. Car and truck wheels will not interchange.
depending on model of truck.
Diagram of 1990 chevy truck steering column
yes, they should be identical.
Yes it will.
That would be the 700R4
Which engine?
You could do it but it would be much cheaper to just buy a good used 1990 GMC 4+4 truck and drive it.
Car and truck wheels will not interchange, Never have and never will.
NO. It has a cable.