Quote:
Originally Posted by t613
Not to mention there was only one CJ-4 oil tested (the lowest-ranked). Without the typical additives found in CI-4, wouldn't the CJ-4 be "worse" (although mandatory for a 6.4L with a DPF)?
I would like to see all of the same brands tested with a CJ-4 rating to see how they all compare, apples to apples. But for now, same old Motorcraft for me!
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Rotellla T dino and Rotella T syn? The Rotella dino was rated 4th ot 5th (not too bad) and CJ-4 is MANDATED for the 6.4?
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2008 Job-3; 6.4; F-350 Crew Cab Lariat;Black; short bed; 4x4; 20" wheels/tires; bone stock and will probably stay that way
Last edited by yukondiesel; 10-05-2009 at 02:32 PM.
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