I met one guy with an auto Spirit R/T at SDAC 13. Can't recall his name but he used to be on the board here. The bellhousing was machined out for the crank sensor. He bought it that way so he didn't know much of how it was accomplished. I think he sold it some time ago.
Since you are not going to use it in a stock Turbo III application just put a distributor on the side of the head and get a computer for use with your turbo I wiring that is calibrated for the TIII head and injectors.
I think I was the first to do this, and used the exhaust cam, without interference issues. It worked great, but it was in a car (88 CSX-T) that didn't have DIS to begin with. I have seen Matt's setup in person, and it is very slick. He does retain the factory TIII electronics and DIS. That is certainly the way to go.
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