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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Mobil 15,000 mile oil

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Old 06-24-2005, 08:19 PM
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Mobil 15,000 mile oil
Has anyone tried this oil in their truck? 15W50 weight....is this to heavy for the 6.0 or could it possibly be better?
 
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Old 06-24-2005, 08:48 PM
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way to heavy for the 6.0. i would run 15w40 tops some 6.0's like 10w30. you can get a lot more protection for less money like delo,mystik, rotella t, motorcraft
 
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Old 06-24-2005, 08:55 PM
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Is it diesel rated CI-4?
 
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Old 06-25-2005, 10:09 AM
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The 15w50 is a gas only rated oil- Good stuff though, I run it in my wife's 560SL (little rocket). The diesel CI-4 rated 5w40 Mobil1 comes in two packages, same oil (as we all know) Delvac1 & Truck/SUV.
 
Last edited by utahtom; 06-25-2005 at 10:13 AM.
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