72 Duster Resurrection

Thats what I'm thinking. I will probably rebuilt the drums for the cost aspect.

I think your suggested plan looks good to me. Also, I have not done much brake stuff in the past, so does my master cylinder look ok from these pics?

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Does that empty chamber indicate that the back brake system has leaked out?..

The front chamber is for rear brakes, rear chamber is for front brakes. Its confusing, but the bigger part of the piston is in the back of the master to push more fluid for the front wheels.

The rust in the rear chamber isnt a good sign. And no fluid in the front chamber, I'd definitely pull the front drums and look for leaks. Opening and removing all 4 bleeders, and fitting an air blower tighly to the master cylinders fluid ports and blowing out all the old fluid will also make sure theres no junk in the lines or blockages.

Had a buddy of mine bought a 68 el camino that had been sitting 20 plus years, we blew out the lines this way. The bleeders we had to remove completely and clean out to make sure they were clear. They were packed with dirt. One rear side blew junk out with compressed air fed thru the master cylinder, but the other side was blocked. We put the bleeder back in on the side that was clear, and closed it, then hit it again w compressed air, and a plug o **** and old brake fluid shot out of the other clogged side. Once we got it all blown out and flushed, we bled the system and adjusted the shoes, and the car stopped pretty well.