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    Those with 150,000 miles or more, check in

    My 2000 F250 Lariat Crew cab, 4x4, 6.8L V10 has 220,000 miles. Original drive train. Always had Valvoline MaxLife 5w20 or 5w30. Uses a quart between changes. Regular Transmission oil changes also, 4R100.
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    Zinc Content

    Ok Overkill, thanks very much; I'll keep using synthetic Hi Mileage 5W-20, Usually use Castrol, Pennzoil or Valvoline.
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    Zinc Content

    Very good information from all. I have two, 2008 Hemi 5.7L in Ram And Chrysler Aspen; and 2010 Dodge Nitro With 3.7L V6; 2000 Ford Super Duty 250 4x4, 6.8 V10. All stock from factory.
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    Zinc Content

    Where can I find zinc content of today's motor oils.
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