new member from qld
so any pointers into hptuners/efilive would help me on my way

check out the PCM Diagnostics & Tuning section on this forum. its pretty active.
we just got the commodore here in the states they call it a pontiac g8 here.
what are you paying for fuel down there?
https://ls1tech.com/forums/pcm-diagnostics-tuning/287094-read-me-first-tuning-docs-ve-maf-ses-lights-faqs-more-01-31-07-a.html
whos ever software you decide on will have thier own forum. also they are a good source of info even if you bought the competing brand.

