Motor Oil Comparison Test - Lots of Em'

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You mean I shouldn't have ran out and bought all the Royal Purple oil I could find
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Just kidding. I can't afford that stuff no matter how good it is.
 
I think it's good oil (and I've used it and am a fan of it), but the tests the magazine used were a little silly. I don't think the writers have any API engineers fearing for their jobs.
 
What IS very interesting is how well Pennzoil and Valvoline did,and both of those oils produce some of the best uoa`s.
 
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