Re: Mixing synthetic and regular oil
oil "base" stocks don't differ much in their own category (synthetic or petroleum). The rub comes in downstream, each manufacturer (for lack of a better word) adds their own additive package/chemical magic to those base stocks.
I'm not a chemical engineer so I don't know what happens when you "mix and match".
My .02?? I think this falls in the same category as guys trying to raise the octane rating of gasoline using off the self chemical stews.
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