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blue2000s · 04-30-2009, 06:25 AM

Is that a group III or IV based oil? I'm finding it's hard to find which are true synthetic and which are extra-refined group III as they're both called "synthetic".

04-30-2009, 06:25 AM	#4
blue2000s Porscheectomy Join Date: Mar 2006 Location: Seattle Area Posts: 3,011	Is that a group III or IV based oil? I'm finding it's hard to find which are true synthetic and which are extra-refined group III as they're both called "synthetic".