The Rotella Is Being Reformulated -Zinc
#41
Checked bob the oil guy today and was happy to see a VOA done on the 10w30 T4 ck-4. I suspect 15w40 will be pretty much the same.
https://bobistheoilguy.com/forums/ub...30#Post4304492
Verdict:
https://bobistheoilguy.com/forums/ub...30#Post4304492
Verdict:
I pulled the trigger on the new T4 after my recent top-end rebuild. I figured they couldn't have drastically reformulated the original product, given the fact its a 15w designed for diesel engines and not strictly regulated like the 5w/10w designed for newer gasoline engines. I think diesel engine require the higher volume of zinc so its just a given that the numbers will be there. FWIW, my engine is running sweeter than ever so I don't think anyone will be surprised with the VOA when it finally hits the site.
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04-25-2012 09:04 PM