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Unread 09-09-2013, 04:55 PM   #1
2000NWXJ
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Anyone running delo in the 4.0?

I know rotella is a popular match for this engine but delo has more zinc more phosphorous and significantly more moly, boron and magnesium. Rotella does have a higher tbn and more calcium. I feel like most people choose rotella because it is easier to find/cheaper. Is there another reason to favor rotella over delo?

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Unread 09-10-2013, 05:01 AM   #2
cruiser54
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It doesn't really matter. Filter choice is much more important than the choice between those 2 oils.
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