Didnt feel like reading all the post so sorry if its a repeat....

When my car did this it was due to (a rewire screw up) the distributor pick up wires being switched. I had put a new end on the wire harness side and didnt pay close enough attention. Would not start unless you released the key and got lucky.

1973 Charger, former SE, former auto

I'm not trying to be difficult, it comes naturally....