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Just put this in my FRS on the weekend. The oil I took out after 6 months looked about the same as the new stuff going in....(not driving much these days). I'm not expecting any issues. :-)
I'm working under the assumption that oil, like gas and batteries, all come from the same 2-3 sources and then are given different labels depending on which company is reselling it....perhaps some "top tier" brands are given slightly special treatment from the manufacturers, but not enough to notice.
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