This thread started as a "need help understanding Mopar ignition." It is a very simple ignition, yet each post makes it more complex and less of a Mopar ignition.
Not Ford coils, GM hei conversions etc...
What happened to the simple diagnosis ? Post 33 tells you anything you need to know about "stock ignition" which is very durable, and reliable.
On a perfect running car that suddenly has an ignition problem. The problem is seldom more than a simple part . K.I.S.S. is a very good advice.
Here is one more troubleshoot source for a "stock Mopar ignition."
https://acrobat.adobe.com/link/file?uri=urn:aaid:sc:US:636dd57c-823b-48be-8d47-d7eb866a4076