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Old 08-25-2011, 07:02 PM
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Default Re: Pennzoil vs Mobile 1 Synthetic Oil

Originally Posted by autumnmass
It was the 5W-40 oil around $9.75 quart.
Again, WHICH synthetic? Find out and then go to Pennzoil's website and see if it meets the .3 or .5 spec. If it does, no problem. There are a LOT of oils that meet the spec. See Bladecuter's post!