I'd really like to know what oil VM Motori recommend for their engines...FCA don't inspire any confidence at all with their recommendations, as it is all about extending service intervals and sticking thin oil in to assist fuel economy rather than engine longevity.
Changing recommended oil mid model was likely due to the large number of early bearing failures experienced by vehicle owners....that coupled with looong service intervals to keep the service costs down.
Can't find much detail on the Nulon Apex+ 5w 40 at all...it doesn't meet CJ or CK 4 spec. The sort of detail that would be good to know would be the Ash content, TBN etc....nothing on their site at all.
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CJ5, CJ7, XJ Sport, WJ HO V8 Overland, WH Hemi V8 Overland, 14 WK2 CRD Laredo-RIP, 15 WK2 CRD Laredo
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