M1 0w-20 - GC 0w-30

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Jun 15, 2003
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Eric, Here's a list of current Mazda 6 UOA's... http://www.mazda6tech.com/index.php?option=content&task=view&id=26&Itemid=36 Many of the 0w-20's are in 90-110F areas. You could try a drain interval and do a UOA and check how it effects your own application. I can tell you off the bat after using GC for a few days, the 0w-20 definitely rev's easier then the ultra thick 0w-30 GC...we'll see how the protection compares.
 
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