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Re: oil for a 2008 Posted by JimBlake [Email] (#141) [Profile/Gallery] (more from JimBlake) on Wed, 31 Oct 2012 10:12:00 In Reply to: Re: oil for a 2008, Gene N [Profile/Gallery] , Wed, 31 Oct 2012 09:06:23 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I think 2008 (like 2009 & 2010 which I own) should call for GM-LL-A-025 oil. That's a spec relating to the additives & long-lifespan of the oil. It's also a spec that GM seems to have abandoned, and folded it into their newer Dexos-1 spec. Steven G. has posted that Dexos-1 supercedes the GM-LL-A-025 spec, & I found some stuff on GM's website saying that too. There's several additional Dexos-1 oils that we can now choose from.
My cars say 0w-30, 0w-40, 5w30, or 5w-40. Remember that the "weights" (viscosity ranges) is a different concept & it doesn't say anything about the life or additives in the oil.
http://www.gmdexos.com/aboutdexos.html
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