The original master cylinder finally went bad. Since the original one is very crusty in and out, I opted to locate a reman with the correct bleeders and main body. Through Rock Auto, I was able to purchase the last Cardone 10-1521BLV they had. I bench bled it, and it went on well. It had a spongy pedal, so the bleeders on the master were used to purge all of the air with the use of a Mity-Vac. Now, the pedal is excellent. The booster and proportioning valve bracket will be replaced when I replace the driver's side fender.
The original master was stamped "CS" with a 2356 date code. I'm assuming that is the 356th day of 1972.
Sent from my XT1650 using Tapatalk
__________________
1976 LeMans B09 Freeway Enforcer, 455/M40 Smokey
1977 Trans Am, 400/M21 Black/Gold Bandit. 44K actual miles
2017 Sierra SLT 1500 Z71 4X4
2019 Canyon SLT Crew 4X4
