Irrelevant.
Oh, you've had it apart. That explains it! You couldn't get it running again so you shitcanned the EFI, slapped a carburetor and mechanical distributor in it to get it running but forgot to mention those subtle details.
Anyone (even you) can find a picture of a TBI distributor online and clearly see that there is no mechanical advance provision in that distributor. Here's one from NAPA online