Well I finally got around to sticking my rebuilt CV style master cylinder back into my IIA. I went to bleed the pipes and nothing happened. So I starting sticking my vacuum hand pump on a few junctions that I temporarily took apart to diagnose the issue and still nothing. So I disconnected the fluid outlet pipe from the master cylinder and gave the pedal a pump and nothing happened.

Fuild
IS definitely getting to the input of the master cylinder. But I don't know if it is getting INTO the MC.
I guess I botched my Master cylinder rebuild.
Does anyone have any advice or experience with this sort of thing? Does it sound like I blocked the inlet or outlet with something? I thought the rebuild went really well and I was looking forward to a victory lap around the block.

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1964 Series IIA 88" 2.25 L Petrol
some rust, not one straight panel