Quote:
Originally Posted by Sean
Okay, you all got me. Syn does not have more friction reducing properties than dino, despite all the studies and dyno runs that say it does.
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The more slippy you speak of is because of an additive, not the actual base stock oil. That additive can easily be added to dino oil as well. Castrol uses it, but not sure about others.
I use full syn myself so I can go longer between changes.