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#586375 - 05/19/03 10:31 PM Delvac 1 in 1983 MB 300D-turbo
JHZR2 Offline



Registered: 12/14/02
Posts: 33792
Loc: New Jersey
Hi,

Here is an analysis of Mobil Delvac 1 (from the local Caterpilliar dealer). Second oil change with the D1 full synthetic. 200700 miles on the car, oil changed at 3638 mi on the oil, Mann cartridge insert (this car doesnt use a spin-on filter) used. Analysis done by Wear-check USA, the analyzer flagged it for abnormal Viscosity (KV@100C=14.77), although they also had in the entry that it was for a gasoline engine, when I did certianly mark that it was diesel.
Here are the results:

Sample Date 5/14/2003
Unit Age 200700m
Time on Fluid 3638m
Time on Filter 3638m
Fluid Maint. Changed
Filter Maint. Changed
Fluid Delvac 1 full synthetic (CAT) 5w-40
Iron (Fe) 22
Chromium (Cr) 0.7
Nickel (Ni) 1.4
Titanium (Ti) 0.1
Silver (Ag) 0.0
Aluminum (Al) 2.4
Lead (Pb) 4.3
Copper (Cu) 0.6
Tin (Sn) 0.0
Silicon (Si) 5.6
Sodium (Na) 2.3
Potassium (K) 2.2
Boron (B) 111
Barium (Ba) 0.0
Molybdenum (Mo) 11
Magnesium (Mg) 427
Calcium (Ca) 2096
Phosphorus (P) 1098
Zinc (Zn) 1176
Sulfur (S) 4192
Cadmium (Cd) 0.0
Manganese (Mn) 0.3
Vanadium (V) 0.0
Soot(%) 0.9
Oxidation(PA) 75
Nitratrion(PA) 45
Sulfation(PA) 13
ZDDP 0.00
Kv@100C 14.77
White Metal NONE
Babbitt NONE
Precipitate NONE
Silt NONE
Debris NONE
Dirt NONE
Appearance NORML
Odor NORML
H2O(Emul) NEG
H2O(Free)

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#586376 - 05/20/03 01:48 AM Re: Delvac 1 in 1983 MB 300D-turbo
MolaKule Offline


Registered: 06/05/02
Posts: 14659
Loc: Midwest
I am curious what the ZDDP entry is there for?

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#586377 - 05/20/03 02:20 AM Re: Delvac 1 in 1983 MB 300D-turbo
JHZR2 Offline



Registered: 12/14/02
Posts: 33792
Loc: New Jersey
Yeah, Isnt ZDDP a high pressure lubricant additive similar to Moly, that is usually present in diesel oils? If so, I have analyzed two diesel oils and also CF rated mobil 1, and none have had any ZDDP...

Maybe I can find out more info...

JMH

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#586378 - 05/20/03 03:52 AM Re: Delvac 1 in 1983 MB 300D-turbo
Neil Womack Offline


Registered: 06/09/02
Posts: 718
Loc: Central Texas
Wouldn't ZDDP show in the analysis as Zinc?

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#586379 - 05/27/03 04:35 AM Re: Delvac 1 in 1983 MB 300D-turbo
MolaKule Offline


Registered: 06/05/02
Posts: 14659
Loc: Midwest
The ZDDP is showing up as Phosphorus and Zinc, about 0.12% by weight.

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#586380 - 05/27/03 06:15 AM Re: Delvac 1 in 1983 MB 300D-turbo
sprintman Offline


Registered: 05/27/02
Posts: 11006
Loc: Canberra ACT Australia
D1 with moly??

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