Cheyenne super 20 -donor questions

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I found a 72 Cheyenne Super 20 doner for the power steering box, brake booster w/ brake rod, bracket, master cylinder, and proportioning valve.

Will this work for my 70 C10 - 307 3speed?
I've searched and read that the brakebooster should bolt up.

I've also read the power steering will bolt up if my frame is indented.

Do I need the steering rod connected to the power gear box(the rod that connects to the steering column)?

Will i need to use a 72 pitman arm when installed?

thanks