After rebuilding all cylinders and all new steel and rubber lines I have good brakes without the hydro-vac, adjust the shoes so they scuff the drums just a little with the rig off the ground. The hydro-vac on mine is leaking internally and was drinking brake fluid, I haven't taken the time to remove it but will probably replace it with a re-man from NAPA. I don't have to pump the peddle at all, it's firm, high and without surprises.
1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
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