UPDATE: Ok so my family friend had a look at the car and the other mechanics report. Basically he’s saying Holden will look at it purely because they’ll charge me diagnosing fees, and only a slim chance that they’ll turn around and actual replace it for free.
He said he has one contact who is willing to take the engine and recondition to brand new, but based on that I’m looking around 20k. He mentioned one wrecker got back to him who has an ls3 with 40,000ks on it and is willing to sell for 15k, he’ll charge me 2k labor, so I’m looking 17k (13k after reimbursement from AWN)
Other option is I wait to hear from fair trading, but like others posted above, GM/Holden has the money to splash to defend them, I don’t want to pay more on top of what I have too.
Based on this, I’m going to give it till the end of the week to see if I hear back from fair trading or the dealer, then make a decision based on that.