I live in the socal area. And thank you for the link. And my other thing is if you need to make the whole bigger it that on the crank side or the flywheel
It’s the flexplate. And it’s super easy, takes about 30 seconds with a die grinder.
Magnum 5.9 crank and flexplate that was in front of a 904. See the close up below.
That hole just needs to be elongated slightly.