My turbo drain was like Cessna's - always a few drops or so. One day though, my daughter noticed a large pool of oil. I had her start it while I looked underneath, oil was just gushing out.

Great thing is, no more oil leak having fixed that seal, a new breather tube and oil cap gasket.

I hope it is your turbo drain vs. crankshaft seal.

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83 300d - 390k