I just saw a little clip showing no blowby on a MB diesel at 200,000+ miles.
I only have 105,000+. After adjusting the valves today and driving around,
I opened my oil filler cap to see if I had blowby. Well, fumes were escaping
the oil cap hole pretty good. Not like the little video of no blowby. I guess I have blowby. Does this indicate a serious problem, or is it somewhat "normal"? I assume it is caused by poor piston ring seals, correct?

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