Hsv turbo build

Kia Ora I am building a factory ls t56 2002 vx Holden commodore.
basic don’t bs me build I have copied from sloppy mechanics. The hard part for me is the tuning so I have purchased the Holley term x pnp deal, to get control of the 5.3l lm7 truck motor I imported to NZ from the states, I plan to piggyback it to the factory pcm that consists of the ecu pim and bcm from what I have read so far the pim translates the different binary languages between the ecu and the bcm so this concerns me however, so far so good, I thought I may be able to share and gain some insight here on scanning and editing the factory pcm, leaning towards ls droid?
thanks.