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Old 04-13-2011, 04:18 PM   #5
mpiper
 
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Drives: 2011 Black 1LT RS
Join Date: May 2010
Location: Texas
Posts: 496
If 2011 requires Dexos1, I would use it on both 2010 and 2011. Same engines both years.

As far as best oils, Amsoil is my preferred. The "OEM" and "XL" are their Dexos 1 certified oil lines. OEM is the standard Dexos 1 and XL is the eXtended Life Dexos 1. Of Oils off store shelves, I would stay with Mobil 1, too bad you can't use the "Extended Performance" since it's designed to withstand breakdown longer than standard Mobil 1. But it's not Dexos 1 certified.
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