Thread: Pennzoil 0W-40
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Old Jul 1, 2013 | 11:42 PM
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onehundred80
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Default Re: Pennzoil 0W-40
Originally Posted by syfi
I was having some difficulty deciphering the oil specs on Pennzoil's pages so I did a little digging. There must be some formula differences between the Ultra and the Ultra Euro. Even though there own tech sheets contradicts that fact. The Ultra 0W-40 Full Synth Technical Data Sheet states:



Attachment 28787

Yet Pennzoil shows that the Chrysler MS-10725 spec is compatible with MB 229.5 spec.

Pennzoil Ultra Full Synthetic Motor Oil - Pennzoil

From what I understand, Chrysler dealers now use the Ultra Euro 5W-40 exclusively for the Xfires.

??????????
I am just guessing here but this may be a case of the Penzoill marketing and sales department over riding the technical people to garner sales for the two grades of 0W-40 oils.
Also corporate agreements made some time back may now be void with new agreements in effect. If you want to sell a so called Euro oil you certainly do not want people using your other brand that you say is for SRT engines. The SRT6 is a fly in the ointment but most people will be ignorant of previous recommendations. Take the previous recommendations for the Crossfire out of the equation and it would all make sense.
 
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