[QUOTE=elkhunter11;3448958]Mobil 1, Royal Purple and AMS, were the only companies offering true synthetic oils, but then Castrol won a law suit, and were able to sell their Syntech as a full synthetic oil, so now all manufacturers seem to be marketing oils as being full synthetic that are actually hydrocarbon based.[/QUOT
That'd be the one it talked about the law suit, etc pretty interesting and I had no idea about any of it.
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