Merle, did you bench bleed the MC before installing it? That is generally the first thing to do. Then bleed the RR and then LR moving on to RF and finally LF. Some proportioning valves have a button or something to push...I have never had one like that but you should get fluid out of the front calipers by simply opening the bleeder valve and allowing it to gravity bleed. Also, make sure the front calipers are mounted on the correct side of the car, the bleeder valves have to be up on top not at the bottom of the caliper. All new components mean a lot of air in the system, did you change everything at once? Also, when manually bleeding you need to open each valve and have someone push the pedal down, then before they let it up close the bleeder and then let pedal up. Keep repeating this process until you see no air in the hose from the bleeder to your catch can. As another test if this doesn't work you can get some fittings and plug the outlets of the MC. You should have a firm pedal, if not then the problem is in the MC, could be air trapped or a bad one.
Clyde.........75 Monza 2+2