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Originally Posted by schuylkill
What do you mean by fake? I got in on this deal at Ollie's for my new Elantra, they had 5w-20, what do you think of the oil? I'm debating whether to return it and get either PU or M1 but whatever I want to try synthetic and see how my mpg goes.
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http://www.gassavers.org/showthread....=synthetic+oil
in short, the wonderful US govt allows the (synthetic)process of certain oils to be legally advertised as 100% synthetic, tho they're not. that said, you likely won't realize much if any gain in FE with synthetics, real or not.
i'd stay away from 0w20 unless you live in a cold climate or just use it during winter. 0w30 is a better choice.
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