Wow, this bastard Forzda has really put you through the ringer! Im really stoked to see you staying in the ring for another round.
Probably worth the effort to put together an order of operations checklist, including "things to check" between steps, and be quite diligent in your adherence to it.
You have a very intimate knowledge of this motor, which is often a VERY good thing, and I think in this instance, it is. But it can also allow for complacency, which can sometimes mean simple things get overlooked. I know from experience...a simple heater fan with power accidentally hooked to ground, and vice versa, after wrenching on something underneath it requiring its removal, sent a 90k mile Cavalier to an early grave...entire electrical system was a total loss after just turning on the heater...magic smoke coming from the ECU, lots of molten plastic in teh steering column, starter turned black, alternator sizzling for 5 minutes after the rest of her was dead silent...no component of the electrical system survived the attack. Something soooo simple required this pizza delivery driver to need a new car, that afternoon.
This is a great project, and I really do think youre really on to something here. There are a lot of us here who are incredibly excited to see what youre able to do with this beast. Good luck man! Keep fighting the good fight!