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Passenger Car Oil Information

Finding useful and unbiased information related to passenger car oils can be nearly impossible. Sifting through the thousands of websites that are all trying to sell you their motor oil can be a frustrating process. But, fortunately, you’ve come to the right place. Database of Passenger Car Oils You’ll find alot of great articles on [...]

Which Motor Oil Viscosity Is Best?

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Probably the most common question I receive from people who know I’ve written a book about motor oil is, “What engine oil viscosity should I use for my …?” There is ALOT of confusion out there regarding this issue, and with good reason. Viscosity is actually much more complex than many people think. Even many [...]

Group III Basestock Quality

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In a recent article series in Lubes n Greases magazine (March & April 2010), Tom Glenn of Petroleum Trends International made some pretty interesting comments regarding Group III “synthetic” basestocks/base oils – comments that I haven’t heard anyone else making (besides myself). Although the article’s focus really isn’t squarely placed on the issue I’m going [...]

GM Intros New “Dexos” Motor Oil Spec

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It appears that GM has decided that API and ILSAC classifications are not robust enough to offer the protection and longevity they are looking for in a motor oil for their vehicles. As a result, it looks like they’ve decided to roll out a new motor oil specification specific to the GM brand. Of course, [...]