I looked at the post Bubba had on the GM six but all the photos are dead. Many of them are on his company website tho. Seems like a solid conversion to me, very similar to the GM HEI system I have in my VW I got from CB Performance years ago. The reluctor and pickup coil are custom made, but the coil & trigger were standard GM parts. Those systems are good to over 10,000 RPM & can be upgraded to a MSD system with no trouble.

Now if I only had the time & money to do that,... Joy!

1956 GMC 370 dump " 'Tater "
1970 VW Volksrod "the Black Bomber"
2007 Chevy Avalanche
2020 Jeep Cherokee Trailhawk,
2005 Harley Davidson FLHTCUI

I dig all cars, old and new, whether they were hammered out of American iron, German steel, or Japanese tin cans. Being unable to appreciate them all is missing out on a world of great things.
But thats just MY opinion! :P