Here's the link to the chip you need to run the standard fuel injection ecu in an engine conversion as it turns off Smart lock, body control module and all the other issues with engine swaps.
T.I. Performance | Stage 1 J3 Chip
I am planning on changing the intake manifold to an efi victor junior with 4 barrel efi throttle body. I will then modify the base plate of the air cleaner to incorporate the airflow meter. I guess i could buy a massflow but not sure if the motor will pass emissions with that set up.