Thanks Bugtech, I'm at my wits end, Bugapulaza is so close.
I have all the brakes tight and dragging,
when I pump about 15 times I start to get pressure, I've. drip bled , pressure bleed, and had a helper pump it tight and I bleed it that way.
I have replaced the line that goes along the floor to the back.
The MS came with plastic bolt plugs.
Both plugs. Pedal rock hard
back brakes connected , front brakes plugged. Pedal rock hard
front brakes connected , Back brakes plugged. Pedal no pressure,
Iv'e repeated this a couple times with same result
once i get pressure . it seems like the pedal holds, and does not go to floor. No drips or hssssss noise .
Once I let off, Pressure goes away and I have to re-pump 15 times.
I ordered another Master Cyl, I can't figure this thing out, Somebodies going to confiscate my shade tree mechanic license.

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71 Super,83 RX7, 91 Saab, 94 Saab turbo conv, 94VolvoSW