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jehartley · 03-23-2011, 06:59 PM

Well, there are two types. Castrol Syntec is now Castrol Edge with syntec and then there is the old Castrol Edge, which is now Castrol Edge with Titanium. Neither are dexos certified; they just meet the spec. There is a difference.

03-23-2011, 06:59 PM	#2
jehartley Drives: Red LT1 & Silver LS3 Join Date: Feb 2010 Location: Maine Posts: 221	Well, there are two types. Castrol Syntec is now Castrol Edge with syntec and then there is the old Castrol Edge, which is now Castrol Edge with Titanium. Neither are dexos certified; they just meet the spec. There is a difference.