@drmiller242 ... did I ever answer this?
I was just searching for something totally different, I don't know that I ever saw the notification ... probably too late now! Mind you, I honestly don't remember as that was 20 years ago, and I'm vaguely surprised I remembered a few years back when we met.
However ... I don't remember needing any modifications to make the alternator fit. I'm struggling to remember having done anything unusual at all ... actually I think I may have bought a reco unit, but don't remember anything in any way about the output of it ... sorry.