Will GM's New Oil Standard Mean 10,000-Mile Changes?
 

http://images.thecarconnection.com/t...00321066_t.gif The 2011 model year brings with it GM’s introduction of dexos oil. This is more than a type of oil; it's actually a standard for motor oil. Previously the gold standard for rating oil has always been the API (American Petroleum Institute) ratings, but with dexos, General Motors is following a practice European OEMs have followed for years by...

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