Bad DOD/AFM connector...What to do???

[67C10BUB]

The AFM connector in the pics below is broken and I am wonering what the best course of action is. I am putting the motor in a 1967 C10 pickup and I had the ECM programmed by Speartech. I am getting a P3401, P3425, and P3441, so I am trying to decide if I should just have my ECM reflashed to eliminate the DOD/AFM, or if I should replace this connector and keep the DOD. If I do replace it, what is involved (is this a 2 piece plug that requires the valley cover to be removed)? If I don't keep it, is there any kind of plug to fill the hole in the valley cover? Please someone help. I posted this on LS1 Tech also, but I never get many responses on there.