Comments by "Mikko Rantalainen" (@MikkoRantalainen) on "20W-50 vs 5W-20: Which Oil Protects Better?" video.

  1. How did the water get into oil? Is the head gasket leaking ever so slightly that it could leak water into oil when there was only air in the oil channel? And when there's oil pressure, that can just barely keep enough pressure to avoid water.
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