Posted 2/18/2011 10:29 (#1621196 - in reply to #1621184) Subject: Re: New GM Vehicle Oil
Eastern Washington
I don't know about the Acadia, but '10 Silverado 5.3 just gets plain old 5-30w Mobil that the local quick change uses. Havn't had any repercusions as yet at close to 45k miles. Can't imagine it would make a difference.
New GM Vehicle Oil
