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Thread: Oil of choice?
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Old 01-17-2013, 02:53 PM   #9
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Location: La Honda, CA
What I Drive: 2013 performance blue ST3

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In my truck I run amsoil. When I did my original research it was the best oil I could find. After spending some time reading on wikipedia it seams the US oil regulation and testing systems fell behind auto makers requirements. The best oil they sell for this application is their SAE 5-W-30 signature series. At 10.15 a quart. It's NOACK is 7.0 and most of the numbers are nearly identical with the Pennzoil Ultra oils. Now I have no idea which would be a better oil. I'm actually leaning to the Pennzoil.

Are there any other oils that perform in this category that should be considered? Maybe Mobil 1 or Royal Purple has a product?
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