Quote:
Originally Posted by polarisrmk
Yes i am well aware what the oil does to a motor and what it should look like if it is properly cleaning the engine components.
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If you are aware of what it should look like...........please tell us all.
Once it goes jet black on a diesel..........you're not going to see much.
Your oil analysis is unlikely to show a reduction in viscosity simply because the oil is carrying varnish or sludge. Additionally, anything of significant size is stopped by the filter.