As said, cap the MC with with 2 plugs from the Edelman cabinet at your parts house & with it idling, if the MC is (1) good (try easy pedal & stomping) (2) bled out (3) pushrod clearance OK (4) booster and or check valve OK: then the pedal should be rock hard with virtually no travel.

live every 24 hour block of time like it's your last day on earth