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Old 12-02-2012, 10:28 AM   #8
stevehnm
Scooby Specialist
 
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Join Date: Aug 2012
Chapter/Region: SWIC
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Quote:
Originally Posted by finklejag View Post
Most of Mobil 1 oils are mixed group III/IV these days. Even Amsoil's OE and XL lines are group III.
Hmmm. News to me about Amsoil. The "Signature" line is the 25,000 mile interval Group IV oil though - the one they advertise as full synthetic:

http://www.amsoil.com/catalog.aspx?code=ASMQT-EA
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