Quote Originally Posted by Touses View Post
I'm also using the Penrite 15/50 semi synth.
I've found if I'm Miss Daisying, short runs to and from work etc, it will chew thru a bit.
Interesting to see that some are noticing usage .

What is the actual science behind this ? Do some oils get past some nooks and crannies due to its grade , while other oils are ok ?



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