Quote:
Originally Posted by dmjlambert
I'm curious about your master cylinder problem. Why is it you specifically want the one with 2 bails? Is it because it should work better, or have equal size reservoirs, better looks, or what? I have one with single bail, small reservoir for rear drum brakes, and big reservoir for from disc brakes, on my manual brake setup and it works well. I thought you were supposed to have different size reservoirs for front disc and rear drum arrangement.
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Just trying to replace my current 50 year+ set up which worked flawlessly before the restoration shop mishaps.
I also want to maintain the current original cast iron proportioning valve.
Having several forum members here post responses to my questions,
I have been told that this AC Delco/GM part # 18M1036 master cylinder is the correct replacement for my 72’ C10 with SPID code J70 Hydro Brake Booster, with original front disc/rear drum.
Unfortunately the O.E. replacement parts are not readily available anymore and AC Delco has replaced the older 2 bail design with the single style bail.
I may go with a Corvette or Camaro style master (deep bore) brake cylinder.
My booster came from P.O.L. I will try them for a compatible master cylinder.
Still waiting for the local GM dealership to locate an older master replacement.