Fred,
Thanks again for the info. I will try the SAE sight. I already have the book from Mr. Hartman. Although I did not go through it 100%, I may take a second look.
I am probably sure the SAE site will have what I am looking for. Might just take a while.
It does amaze me, that in its simple form, fuel-injection is that simple (apart from the calculations that the computer is doing). Far more simple than any carb, when you actually think about it. Bare bones injection needs just a MAP sensor, TPS and wires to the injectors. Done. Makes me wonder why.
At this point I plan on running TPS, MAP, heated O2 sensor, inlet temp, plenum pressure, water temp. One thing I do need to sort out is the EGR, but from what I can tell that is for emissions, and we do not NEED that.

Although I do remember the late model Mustangs having and EGR with water running through it (at least I thought it was EGR). I can only assume that this worked with the same principal as a choke with water.
I do need to do some more research on the O2 sensor. The TEC3 system seems to only mention one (might be wrong), and I would think that 2 would be the way to go. Given the end cost of the system, why would I want only want one? Than I turn to the manufactures and see them running two (if a V8), so I think I will follow along.
Thanks again,
Chris