I bought my E8 off of Jacob Cartmill and he was using the exact same engine setup as me (Im doing a REW swap in my FC). His, however, was wired in his FD.
I have the wiring of the Haltech to the FC coils like this:

CAR Haltech
Pink Light green(ign 1)
Pink White/black(ign2)
White Green/black (aux)

Not sure if that's correct, if it is, great!
But my main concern is setting up the ignition in Halwin.
The ecu already has a good tune (will need a quick redo due to my location) so would I need to change anything to make the FC coils fire up since the ecu was previously running on the FD ignition?