What the hell is annealed?Was the copper gasket properly annealed?
I would give it another go using better nuts, inconel studs and either tab washers or NordLock washers before going to the expense/hassle of getting the manifold and turbine housing ground perfectly flat to be able to run without a gasket. Looking at that manifold flange face it needs a lick over for anything to seal regardless
What the hell is annealed?
You can heat copper up and quench it to bring back it's original shape and squishynessWhat the hell is annealed?