[bebbetufs]

@AlfonsoR. Turbo was rebuilt and rebalanced. I still don't know why it failed.

I have now examined the situation further and it seems like the huge disappointment made me instantly assume the worst. Pulverized compressor dust looks very similar to gray assembly lube, which I now believe the residue in the oil is. I took a sample of oil from the pan after letting the oil settle for a few hours and filtered it through a coffee filter. I only found a couple of tiny unidentified non magnetic grains in there. No hints of glimmer or AL dust. I will have to change the oil when pulling the engine anyhow, so I hope I will be safe in that department.

I still need to get over the disappointment and practical issues of having to pull the engine and being without a car for another several months, but that is a different issue. Thanks for your replies and please let me know if you disagree with my diagnosis/analysis.