[Update: Ooops; I didn’t notice that Sajeev already has a post questioning these oils’ testing regime. In case you missed it, or just want the heads up before you join that discussion, here it is, in the less-controversial version]
Few subjects stir up more controversy than motor oil. Now it’s time for the latest perpetual changing of the current required new oil for new cars. AutoNews reports that GM, Ford and Chrysler are making the switch to a new generation of oils for their 2011 vehicles, known by their grading as GF-5, SN, or in GM’s case, Dexos 1. Be aware: using any oil other than one of these may void the powertrain warranty. (I might have thought GM would have retired the “Dex” moniker). Read More >












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