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					Originally Posted by JFP in PA  Yes.  Many diesel oils are very high temp/high shear resistant Group IV oils, with very high ZDDP levels because they do not use cats. | 
	
 
Sorry for sounding like an idiot, but should I use Rotella in my 986 or not? Because I thought you were recommending that I use Rotella T6 Full Synthetic 5/40W
Sorry to bug you but I am due for my next oil change and I just want to get it right.
Thank you