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Old 12-26-2016, 08:38 PM   #11
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Default Re: Blackstone Oil Analysis (piston/ring wear?)

thanks for all the replies. Im in between the "its a machine its gonna break at some point " and freaking out over one oil test. I go on a lot of trips and this is outfitted like a mini rv so it would be better to repair/replace something now if possible than when im in the middle of arizona in the desert on a sunday.

right now im also having some issues. I am getting limp mode in stop and go traffic after the van warms up. I am just guessing here but my egr has been puking out oil for a good while now so it might have something to do with that, no cel though and no excessive smoke. I do have a rocketchip, but not sure if that deletes the egr or not. Yesterday I disassembled all the turbo hoses on the pass side, wiped them down and made sure the connections were tight and it still happened today on my drive home. Stopped, opened the egr and turbo hose into the manifold wiped it down and the turbo was on the entire way home with a little traffic, approx 2 hours.

I am also having a coolant leak on the drivers side of the engine somewhere. because the erg has been leaking oil on that side i'm going to have to do some cleaning before i can locate it.
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Old 12-26-2016, 08:41 PM   #12
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Default Re: Blackstone Oil Analysis (piston/ring wear?)

Quote:
Originally Posted by owner View Post
I remember reading in an older uoa thread that the om612/647 always reads high aluminium. Presumably due to the cams that run direct in the head. This uoa posted above they don't seem to have picked up the average data. Maybe the op didn't supply the engine code?

i do kinda remember reading that as well, as i looked around to see if there was a catch all oil test thread before starting this. I gave them everything they asked for on the sheet when i sent the sample in.
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Old 12-26-2016, 09:35 PM   #13
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Default Re: Blackstone Oil Analysis (piston/ring wear?)

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Originally Posted by lindenengineering View Post
I agree ostensibly with the notes at the header of the test results .
BUT
Your oil is high in the viscosity range and very high on the particle size of "molybend 'em" which can clog filtration mediums.
Be wary of Nap /Wix combo and "some oils" as the paper medium is at it top limit for flow.
The genuine MB filter has better flow rates. I have tested them all with an independent UK company specializing in filter flow rates.

I would be inclined to change your oil brand and viscosity to a lower weight for cold starts. Equally I see these figures on short run cycles on average what is your journey trip time/length.
Out of interest are you using an additive?
Dennis
I have been using Mobil 1 0 w40 since i got the van years ago. Filters have been varied, mobil 1, mann (maybe 1 or 2 other german filters), mb, and i think thats it.

i usually use some power service additive but not every tank.
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Old 12-26-2016, 09:37 PM   #14
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Default Re: Blackstone Oil Analysis (piston/ring wear?)

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Originally Posted by vinyl_addict View Post
i do kinda remember reading that as well, as i looked around to see if there was a catch all oil test thread before starting this. I gave them everything they asked for on the sheet when i sent the sample in.
Did you say it was om612 (or om647) on the sheet?
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Old 12-27-2016, 04:45 AM   #15
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Default Re: Blackstone Oil Analysis (piston/ring wear?)

I have a 2003 OM 612 T1N 2500 and have had some oil analysis done, I too had high aluminum, these tests are somewhat old now, I have not sent in any samples since the second one here, I will be changing my oil soon and will send in a sample. My Al is not as high as yours, but it they did comment on it.

My van has 176k miles on the clock now...



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Old 12-28-2016, 05:24 AM   #16
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Default Re: Blackstone Oil Analysis (piston/ring wear?)

Quote:
Originally Posted by owner View Post
Did you say it was om612 (or om647) on the sheet?

response from blackstone

"The averages we used for comparison are for the OM 612/OM 647. Both engines
are essentially the same, with the only distinguishable difference being
the intake manifold and that shouldn't have a significant difference on the
results since it is not a wearing component."
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Old 12-28-2016, 09:04 PM   #17
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Default Re: Blackstone Oil Analysis (piston/ring wear?)

I changed my oil today took a sample and mailed it to blackstone, I'll post up the results when I receive them.
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Old 12-30-2016, 02:49 PM   #18
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Default Re: Blackstone Oil Analysis (piston/ring wear?)

Going to do this next oil change i perform which i hope is soon
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Old 01-10-2017, 04:19 PM   #19
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Default Re: Blackstone Oil Analysis (piston/ring wear?)

I got my results back and my high aluminum issue has completely gone away, so much that I am now running below average for aluminum and all the other wear metals they test for, their average numbers are with an oil change interval of 10,300, and I ran this oil for 12k+ and still came in under their averages, so, this doesn't particularly help you , but it is proof that high aluminum wear can turn around and become a non issue.



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Old 01-12-2017, 06:48 PM   #20
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Default Re: Blackstone Oil Analysis (piston/ring wear?)

what did you change/fix in that time period?
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