Oil Analysis Lab Test Results

Oil Analysis Lab Test Results

This is a discussion on Oil Analysis Lab Test Results within the RAM 1500 Diesel Maintenance forums, part of the RAM 1500 Diesel Garage - RAM 1500 Diesel Mechanics Corner category; We know you have posted your results elsewhere in the Forum. Now there is one place to look for oil analysis and related commentary. Encourage ...

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  1. #1
    Administrator BlueMerleBC's Avatar
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    Oil Analysis Lab Test Results

    We know you have posted your results elsewhere in the Forum. Now there is one place to look for oil analysis and related commentary. Encourage you repost results if you want, all new test results here please. Thanks.
    Last edited by BlueMerleBC; 04-29-2015 at 09:18 PM.
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    First UOA at 5,528 miles.

    Oil Analysis Lab Test Results-14-1500-101014.jpg
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    Always learning.

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    2nd UOA at 14,818. 8,978 miles on the oil.

    Oil Analysis Lab Test Results-14-1500-021915-2.png
    Always learning.

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    1st Oil Change
    Oil Analysis Lab Test Results-image.jpg

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    RAM Silver Member howie12's Avatar
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    My first oil test at 9982 miles total fuel used 371 gallons

    trucktest (2).PDF

    Second oil change yesterday and sample in mail today.
    Last edited by howie12; 06-01-2015 at 08:47 PM. Reason: added total fuel used

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    RAM Silver Member howie12's Avatar
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    Quote Originally Posted by BlueMerleBC View Post
    We know you have posted your results elsewhere in the Forum. Now there is one place to look for oil analysis and related commentary. Encourage you repost results if you want, all new test results here please. Thanks.
    thanks for setting this up. WIll save us all time and frustration.
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    RAM Silver Member howie12's Avatar
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    OK, I have the analysis back from my second oil change done at nominally 20,000 miles with 10,000 miles on the oil. The report shows a critical rating due to the increased oxidation level of the oil. I talked to the technicla department of Oil Analyzers and was told the oil was in excellent condition for additional use. However the reading on the oxidation level was high, but it is not an absolute test and they need a base unused sample of the lubricant to compare against. Copied below is what their website says about this test-

    Oxidation
    Definition
    Oxidation measures the breakdown of a lubricant due to age and operating conditions. It prevents additives from performing properly, promotes the formation of acids and increases viscosity.
    Standard Test Method Used
    FTIR - ASTM E2412
    Reporting Measurement
    abs/cm (absorbance units per centimeter)
    Amount of Sample Needed
    40 mL
    Test Limitation
    Significant contamination of water, glycol, soot or fuel may affect all FTIR results. Ester-based lubricants will show high oxidation values.

    Infrared light is passed through the sample. Soot particles absorb and disperse the infrared energy. The amount of light reaching the detector will show a decrease in proportion to the percent of soot present in the sample.

    Fuel dilution, water contamination, oxidation and nitration absorb infrared energy at characteristic wavelengths. For example, nitration absorbance occurs near 1630 cm-1 (wave number). Oxidation absorbance occurs near 1710 cm-1


    I learned a few other things from the tech-he said soot is nothing to even begin worrying about until it reaches 2%. He also said the second sample is definitely a different oil than the first test. The first is the factory fill and the second is dealer change using Pennzoil Ultra Euro L 5w30. SO it seems that the factory fill is different.

    I compared the elements that are classified as additive metals with TOP's two results and they look very similar regarding the change in additive metals between the first and second sample.

    I guess I will have to go buy a quart of PEnnzoil Ultra Euro L to get an unused sample to send in or wait until the next change and drain the dregs from the bottles used by the dealer or ask them to fill my sample bottle.

    Finally, while I didn't add up the fuel consumed for the two changes I estimate the second one had about 20% more fuel consumed since it had more winter driving and my higher speed 4400 mile trip South and back on it. Minimal towing on both.

    TOTAL FUEL BURNED FOR THIS 10,000 miles was 379 gallons

    Oil Analysis Lab Test Results-lube.jpg
    All very interesting
    Last edited by howie12; 06-01-2015 at 08:58 PM. Reason: added total fuel burned
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    RAM Veteran lbengston's Avatar
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    Very interesting that the factory fill was not considered to be the same oil by the technician. Even though the Penzoil stuff has a Mopar part number, I had wondered if that was really any guarantee that the factory fill was the same.

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    Interesting findings Howie. Thanks for sharing. I thought oxidation came from vehicles that sat without use. I guess I should read some more.

    I would be willing to bet the factory fill is probably Shell Helix Ultra ECT 5W-30 or Shell Helix Ultra Professional AG 5W-30. That is, if it is filled and shipped full of oil at the factory in Cento, Italy.

    Since Shell brands their oil as Pennzoil in the US, I'm sure the formula is similar.
    Always learning.

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    RAM Silver Member howie12's Avatar
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    Lance,

    I am no expert on how engines are shipped but the last I knew(a long time ago), if you bought a crated engine from GM it didn't come full of oil. It seems to me that the engines would be assembled with an appropriate assembly lube that would protect the parts and provide some initial lube for the first production start, assuming the engines are not run at the factory, and then filled on the vehicle assembly line. I am sure someone here knows for relatively certain and will chime in.

    Oxidation normally happens faster at high temps(fire is oxidation as is rusting) than low so I wouldn't have expected it to be a problem at ambient storage temps, but then not all apparent logic is correct.
    Top likes this.

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