Quaker State new Defy oil

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Dec 19, 2006
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Just wondering if anyone has used it. Suppose to cut back 98% wear with high zinc. Anyway would appreciate any users posting a UOA so we all could see how it does. Thanks.
 
It's really new, so I don't think most places even have it on the shelves yet.

The current QSHM doesn't even have an API rating at all-I think this stuff is API SL.

98%? In a flat tappet cam scenario, with heavy lifters and a big cam, I could see it helping out a lot, but it's still no miracle additive.
 
Sounds like a marketing gimmick. Lots of people think that the EPA removed all the zinc from oils. They don't know what zinc does, but they're sure it is important. They'll jump on this oil like flies on dog sh.... If Shell found a way to keep the ZDDP in the engine and away from the catcon, great. This oil probably won't qualify for any modern API or ILSAC classification, but the people scared of a lack of zinc won't notice.
 
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