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Re: Looking for an official b[Jasper]b warranty prospective
Posted to Shop Management Forum on 8/16/2004 1 Reply

Lots of reference to "synthetic oil" in this thread.

You'd better define "synthetic"/"full synthetic". Oils that make that claim include everything from group 2+ base stock to genuine group 4 base stock. Group 4 is what WAS traditionally considered synthetic... Login to read more.

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