74 Duster: Manual disc

I read through as much of this forum as I could in hopes I would find an answer without posting, but no luck. I want to ditch the brake booster on my 74 Duster with factory disc brakes, Can I use my current M/C or do I need a different one? & Do I need the adjustable pushrod ? or do I use one from a manual brake A-body? Thanks guys.
Author: admin