i heard synthedic motor oil is "a lot" better for an engine. is it good for an 87 300e? is thier any prep that needs to be done for the changeover? i know thier not compatable.
your comments would be greatly appreciated!
thanks,
adam

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87 300E
BLACK GOLD WITH CREAM INTERIOR, SPOILER, AIRDAM
CLEAR MARKERS

87 420SEL
BRONZE WITH CREAM INTERIOR