Frank, I'm out of my depth here, but also, if you can get it to idle at least once more, do the old nose tuning trick. Sniff the exhaust. I KNOW you can smell the diff between unburned fuel, rich, and lean smells. You can then start doing incremental changes in the right direction.

Are you sure you still have spark? You are in terra incognito on ignition control here, as well as fuel.

I've also made a lot of fubars like the timing cover bolt, and think I've learned to check closely after every one...

This project is a BIG bite out of the unknown, folks. And artfully done. Bet it finishes out the same way.

One last ?. Are you datalogging the running events? If the ohtwo is kicking in, you should have a readout on fuel mixture's state re rich/lean.