Welcome to the forum Chandler. There will be more than just a few of us that are hanging out for some pictures, so click away as soon as you can.

The Zed-car [Zee-car?] front brakes are pretty much a US invention/modification as they were too rare & expensive to use on 1200's pretty much anywhere else in the world. We commonly used the brakes & even the front suspension from the larger four cylinder models.

The little Datsun A series engine is still used as a race engine & exotic components are becoming available for it still. Things like 'H' beam & billet 'I' beam rods are available now, even for street engines, when they didn't even exist before. Electronic ignition & a variety of EFI systems are now being raced too so theres life & even more power left in the the old girl yet.
I know that I'll be looking forward to seeing & learning about what powers your piece of automotive history.

As for the complete Zed-car IRS, ...... that seems to be a new one so some pictures of that will be a welcome thing too.

Bring it on.