Valvoline MaxLife or Synpower 5w-40

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28
First of all, I'm in Finland, so I don't know that is the formula here in Europe different from the U.S. products.

Oil will be going into a 2008 Chevy Suburban 6.0 90k miles. Almost only low rpm highway driving.

I would like to try either one of these oils.
From the European site, I can only see that the differences are SynPower being little thicker when hot, and having more approvals.
They're basically the same price here, so easy to just pick the better one.

Anybody know better, or have access to more specs?
 
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