RE: Rotella & diesel oils?

[Dave Walters <dbustersdad@xxxxxxxxx>]

Steve Chervinsky wrote:
> 
> It is only diesel oils that ARE NOT CJ-5, and most today are CJ-5
> certifies which have greatly reduced Zinc content.
> 
> Esso/Mobil XD Extra 15W40 has 4500PPM of ZDDP which is certifies for
> older flat tappet style engines. This is formulated for both diesel
> AND passenger car use as Rotella is a diesel ONLY formulation and has
> elevated levels of detergents which could cause abnormal wear if left
> in for more than 3000 miles. The XD is the only one that is formulated
> for passenger car use as well as heavy equipment.
> 
> I don't work for Exxon/Mobil, I am a parts manager in the heavy
> equipment field and have done EXTENSIVE research for my own personal
> use through the research & development teams of the oil manufacturers.
> 
> The Mobil XD-Extra 15W40 is the ONLY one that still has prior EPA 2008
> emission standard levels of ZDDP.
> 
> DO NOT buy XD-Extra 15W40 CJ-5 as this has the current EPA mandated
> lower levels of ZDDP.
> 
> With a $25,000 engine in my car I am doing my own research and these
> are my findings. I hope they help.
> 
> On Wed, Mar 25, 2009 at 1:09 AM, SB <polecat2@xxxxxxxx> wrote:
> >
> > Any diesel oil is fine, Gary. =A0I use Mobil Delvac, only because I got 
> > a
> > bunch on sale. =A0However, I thought they were removing the beneficial
> > zinc from all these diesel oils this year. =A0Anybody else heard about
> > this?
> >
> >
> > spigot2039@xxxxxxxxxxx wrote:
> >>
> >> I know Shell Rotella diesel oil is favored here by several people for
> >> our Mopars. Any reason why not to use another brand of diesel oil? For
> >> example, Auto Zone has Castrol Tection Extra 15x40 Diesel oil on sale
> >> for $10 a gallon right now.
> 
> --=20
> Steve
> '63 Hemi Polara

Looks like the name has been changed to Mobil "MX" Extra. It still 
doesn't have a CJ-5 service rating. 

Mobil Delvac 1 full synthetic doesn't carry a CJ-5 ( a CJ-4, yes ) 
rating either, so I'll continue to use it my DMAX

Dave Walters
Denver,CO.


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