Based on your counsel, a great timing light is on its way: Snap-On Digital Tach Advance Timing Light. Seems like a good deal at $457, and very accurate.
Thanks for all your help keeping this novice on the road. Once I get it running I'll look to get some local adult supervision to confirm everything is in the right place.
@David Stroud IM Roadster D, your words hit home. I know I'm over my head here. thanks for your help.