My brakes suck big time..help

When I painted my engine bay I took out my brake booster and rerouted the lines for my line lock. I put everything back together and my dad and I bled the brakes. We did it the conventional way of him opening the bleeder, me pushing the pedal, him closing the bleeder, me releasing the pedal. We bled the MC first, then the rears, and then the fronts.

I noticed that when we bled the front brakes, the pedal would not go all the way down like it did when we bled the rears. I don't know if that means anything.

I have a willwood proprotioning valve..does that need to be in a certain position when I bleed the brakes?

When I took the car for a drive, the pedal was very mushy and the brakes just weren't doing their job like they used to. I can't even lock up the wheels on a wet road. Any thoughts?

Thanks guys. I did not bench bleed the MC before I put it back in. I didn't do it when I originally installed it when I did my 5 lug swap and it was fine. I'm gonna rebleed the rear brakes again tomorrow with the prop valve in the right spot and see if that helps.