[Blackcat]

Great,
You have the build sheet. Putting them back on requires changing the spindles, proportioning valve, flex hoses, possible hose frame mounts. They probably changed to drums because of the dual piston calipers. You do have them with the car? I would go to single piston 69-72 calipers and mounting brackets. They are easier to find and replace. If you really want to go original.
Contact Master power brakes or Stainless Steel brake co. They have adds in most car mags. Please call Jim for more help as he is right in your area. Tell him I recommended you to him. If the brakes work well replacing them is up to you. Why spend the money if you don't need to.

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Gatomon
A car is cheaper than a girlfriend. Better than a wife. If it gives you trouble you can park it and forget about it!