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Old 09-06-2012, 07:14 AM   #1
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Wrong OIL? Problems

Lifted from a busnut board , where most have DD 2 strokes .

Interesting photos of the damage from a wrong oil choice.

USE Da BOOK! for any engine!!!!

Low ash mono weights:

UNION 76 T5X Heavy Duty 40wt:

76 T5X Heavy Duty 40wt monograde motor oils SAE 30, 40 and 50 meet or exceed the performance requirements of API Service Categories CF-2 and CF, and also may be used in applications where API CD quality oils are specified/designed primarily for use in high-output, 2-stroke cycle diesel engines. They are particularly recommended for use in 2-stroke cycle diesel engines in transit buses and marine fleets running on low-sulfur diesel fuel.



TEXACO URSAģ EXTRA DUTY
SAE 30, 40, 50

The SAE 30 and 40 grades are also specifically
recommended for use in two-stroke diesel engines
requiring highly effective control of wear and deposits.
Texaco Ursa Extra Duty oils:
• meet API Service Categories
— CF-2, CD-II1 (SAE 30, 40, 50)
— CF, CD1
• performance requirements of
— Allison C4 Fluids (SAE 30)
• comply with Detroit Diesel Corporation twostroke
engine recommendations, including the
0.85% ash maximum limit for Series 149 engines.





Sulfated Ash Rates:
Chevron Delo 100 40 WT = 0.76 (24% BELOW benchmark)

Exxon XD-3 40 WT = 0.80
TEXACO URSA EXTRA DUTY = 0.85

Citgo Mystik Premium Fleet Engine Oil 40 WT = 0.90

Shell Rotella 40T 40 WT = 1.00 (Shell Rotella 40T is borderline)

Delo 400 40 WT = 1.35 (35% OUT of TOLERANCE)
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Old 09-06-2012, 01:19 PM   #2
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A picture really is worth a thousand words. Thanks, nice post FF.
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Old 09-07-2012, 10:57 AM   #3
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When DD 2 stroke were more common DD used to post photos of what happens with other disaster ideas..

The worst was folks dumping a gallon of old engine oil into 100 gal truck tank.

The most expensive gallon of fuel ever "saved".
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