This isn’t really an answer, but the YouTube channel Mighty Car Mods is 2 Australian dudes who modify different types of cars. At one point they did a 240Z with a newer Nissan RB26 in it. In one of the episodes they show the car going through the Australian Engineering at and their testing process.
https://youtu.be/Do3AgIxXbKY?si=RO_6WWS9ELaIJ6A-