patrol swap rb25

Ive had my car at a shit mechanic whos been working on my car for a year, after getting red stickered. he just finished finished the car and took it for a drive and clearly thrashed it and blew the turbo seal and i lost 2L of oil out of my exahust, im now in need of an engineer to sign off my car but cannot find one. will get a tow truck to any shop in sydney to get it done.