Must be something in the air. For the first time in a year, my car was officially broken down cause of oil feed line issues. Check out my thread called "emergency". Like someone mentioned, that hole can be made oblong very very easy from using the wrong wrench. Try to find a socket to screw it into the turbo. Plus these fittings werent really made to be used many times. Given its brass, the steel line forms and crushes a seal against the cone in the fitting. After its been crushed the first time, its not really the same again. I think if you cant get the nut back in the fitting, its either the threads on the nut or in the fitting are botched, or the alignment is all wrong. When alignment is right and the threads arent damaged, it goes in easy as pie. Given the fitting is brass, the threads in the fitting are probably bad. Go to your parts store and ask them if you can go through all their brake fitting drawers. The guy I talked to was too lazy to look in all the drawers and said they didnt have it, so i got him to let me look through them. I got lucky and found the exact fitting I needed. My old one was not only cracked, but the threads were stripped. I would recommend that you get a few of these fittings if you can. Use blue loctite when you screw it into the turbo, and dont leave it a little loose in the turbo just for the sake of worrying that you wont be able to make it another full turn and line it up with the line. Go in till its /starting/ to get tight, and then go another full turn. Tighten the line nut into the fitting, but dont overtighten it. Just go till it clamps the line and snug it. You want to still have some room for more "crush" in the fitting in case it leaks after the first try.