Here goes try number three. Non of the previous sends have
bounced nor appeared on the list. Anyway...
~~~~~~~~~
> On Thu, Jun 2, 2011 at 8:40 AM, Allan Streib
> <str...@cs.indiana.edu> wrote:
> > With the Rotella, I have not had to add ANY oil in over
> > 1,500 miles so far, and the drips have all but stopped. I'm
> > fairly pleased despite it being a Shell product.
> Alex Chamberlain wrote:
>
> IIRC Marshall always recommended Rotella T or Delo 400 for
> OM61x and OM60x engines, if you weren't going to run synthetic.
Hmmmm, not really. Delo 400 and Delvac 1300 were his favorite
conventional oils. I went though my mail archive and found
these.
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Quoting a message from Sun, 28 Aug 2005 10:50:14 -0400
You SHOULD be sure that the oil is suitable for a
diesel. I recommend a CF or better rating and an xW-40
or xW-50 rating (CH-4 thru CI-4 rated oils are probably
a bit more desirable, but that's hardly critical). The
"x" should be some number between 0 and 15 (I don't
know of a diesel rated 20X-xx oil but there MIGHT be
one there somewhere). Most conventional diesel rated
oils are 15W-40. In MY OPINION the best of these diesel
15W-40 oils are Chevron Delo 400 and Mobil Delvac
1300. The others commonly available in the US (Rotella,
Exxon, Castrol, etc.) are inferior, rather ordinary,
but can certainly provide suitable lubrication.
Marshall
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Then on Thu, 29 Sep 2005 14:40:00 -0400, in a thread about
quieting noisy lifters on OM60x engines.
Synthetic oils using group IV & V base stock (Mobil,
Amsoil, Red Line) work best. Synthetics using group III
base stocks (marketed as Rotella, Delo400, Valvoline,
Pennzoil, Castrol Syntec) don't work as well (in MY
experience) but they are superior to conventional oils
(including the very best conventional oils - like Delo
400 and Delvac 1300).
Marshall
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Then on Tue, 13 Jun 2006 15:42:17 -0400
Lots of people LOVE it. It's cheap! It's also
hydrocracked group III oil, far inferior to the group
IV/V that Mobil and Amsoil sell. It's superior to the
group II oils like Delo 400. It isn't nearly as good as
M-1/D-1 for cold weather starting and it will NOT last
nearly as long, but it lubricates pretty well.
DOESN'T meet any of the Mercedes standard sheet specs!!
Maybe Shell didn't submit it for testing, BUT their
conventional group I Rotella and their synthetic Helix
oils were submitted and approved for various service!
Marshall
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-- Philip
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