Good write-up and something that I did over and over restoring various eras of Land Rovers.

I use the paste paint stripper to take off the undercoating and then a form of rust remover for the surface rust. Don't do a wire brush, just use the heavy-duty gooey paint remover for the undercoating residue. The idea is to keep as much zinc coating remaining on the hardware.

Your hardware will be very susceptible to rust, now. I have used a clear coat, satin finish to spray the whole bolt, and nuts. Once you tighten down the bolt or nut during re-install, you will need to touch-up the clear coat. I use a small paint brush and the clear coat sprayed in the lid of the paint can.

Nice work.