I rebuilt the master cylinder and all six wheel cylinders on mine, replaced every bit of line and hoses, bypassed the hydrovac until I rebuild or replace it. I had no problem bleeding with no use of power bleeder, just the old fashioned way. I have very good peddle and no leaks. 1957 2 ton

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