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0W-40 (AZF): API SN, SM…; Chrysler MS-12633, MS-10725, MS-10850; Nissan GT-R®

Many,many posts contain warranty concerns for doing this or that. The Factory Warranty is a non issue in the US....Period. An OEM cannot void a factory warranty because you use a viscosity oil not listed or a non OEM filter or an aftermarket part installed by the owner...period! A failure must...

Here is 2 UOA's on the same oil for a total of 7500 miles in a GDI engine. Would the trend of the TBN indicate that 11k or so be the limit on this oil in this engine? I posted this now a year later in reference to http://www.bobistheoilguy.com/forums/ubb....i.#Post3415411 This vehicle was...

Total 10,119 on engine. Car drive 60 mile RT 5 days aweek, 52 miles of it interstate. AVG speed month after month is 38mph, so the majority of my driving is highway. Day of sample I stopped at store on way home, then drove the 1 mile to the house. Took sample 1/2 hour later. That might explain...

What group base oil/oils would be represented here? "The following components are listed: Distillates (petroleum), hydrotreated heavy paraffinic; White mineral oil (petroleum); Distillates (petroleum), solvent-dewaxed heavy paraffinic" Thanks