Wednesday, December 16, 2009

Is generic car oil is as good as castrol or penzoil?

They are both approved by API or ABI so I wonder if the walmart super tech oil is as good as the castrol oil or penzoil? What is the difference between 10/20 10/30 etc?Is generic car oil is as good as castrol or penzoil?
The best oil is the one you change regularly.Is generic car oil is as good as castrol or penzoil?
Youll be fine, generally the store brand oils are made by one of the major oil companies anyways.
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