Quote:
Originally Posted by DandoX
Okay I'm doing a poor job of describing the feel, it's not grit but I dunno how to explain it? I guess less smooth? Lol but it's something you can feel.
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You are feeling the roughness of your finger more on used oil because it has started to break down and loose viscosity. New oil leaves a thicker layer between your fingers so they don't feel as rough.