Quote:
Originally Posted by mike.t
Jim again I state if you use the same API rating the manufacturer recommend all is good . Where you an engineer in the automotive lubricant industry?
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I agree with you if the manufacture states that you must use API CJ-4 oil, but FORD is telling you not to use the new oil being released to replace CJ-4. Such as CK-4, CK-4/SN and so forth.That is where you could cause engine damage and not be covered under the Ford engine warranty, if you used this new engine oil.
No, I worked as a hydraulic engineer team lead on Earthmoving/Mining equipment. But I dealt with fluids and filters everyday on these machines.
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