Who in Melb can perform NADS on my truck??

Guys who in Melbourne town or around is able to perform the correct engine mods to my soon to be GU.......for $$$$$$$ of course.
I shall be getting a 04-06 3 litre and due to my zero mechanical skills need someone to do the mods, with my assistance
Please let me know and roughly how much this will all coast.
I know there is someone with the skills.....cheers boys, dont let my truck become a statistic like many others