Out, M1 0w-40, In PP 10w-30. Quiet

Joined
Sep 14, 2015
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NE Ohio
Originally Posted by kschachn
Exactly, that makes no sense. It's a 40 grade.
Falsely perceived 'thinness' of 0w-X? Or maybe just the pervasive narrative that you can't use 'new' oils in 'old' engines.
 
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