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  #1  
Old 10-25-2007, 01:49 PM
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Blackstone analysis results - thoughts on soot control

From this analysis it appears that I need to be working on getting soot levels down.

What can be done to help control soot?

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Last edited by drgreenthumb; 10-25-2007 at 03:11 PM.
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Old 10-25-2007, 02:48 PM
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where does it show your soot levels are high?
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Old 10-25-2007, 02:54 PM
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Quote:
Originally Posted by drgreenthumb View Post
From this analysis it appears that I need to be working on getting soot levels down.

What can be done to help control soot?
I'm lost on this comment, too Insolubles show up at .3% and that's bad? I dunno, Marc. Oh, you're changing that oil way too soon. You could have easily doubled that interval without concern. TBN is hardly depleted You're dumping good oil and adding to the recylcing problem...that isn't very "green", IMO.

You're paying for an uber-premium oil - - use it and stop adding to the waste oil reclamation issue and reap the potential savings available to you.

FWIW, that's a great UOA, numbers look very good.


Also, Wise Man removes personal info from UOA before posting on the internet!
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Old 10-25-2007, 03:35 PM
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Originally Posted by uberwgn View Post
I'm lost on this comment, too Insolubles show up at .3% and that's bad? I dunno, Marc. Oh, you're changing that oil way too soon. You could have easily doubled that interval without concern. TBN is hardly depleted You're dumping good oil and adding to the recylcing problem...that isn't very "green", IMO.

You're paying for an uber-premium oil - - use it and stop adding to the waste oil reclamation issue and reap the potential savings available to you.

FWIW, that's a great UOA, numbers look very good.
I had the Dyson analysis done but I feel like I have "Fight Club" rules with his comments - I am not really supposed to talk about it. That is why his comments are not in the PDF but now come in a .wav file. The flashpoint is low and the other metals that are high indicate wear caused by soot in the oil.

I did change the oil too early. This is the first fill I put into the car and I do not have a history on what was used before. My concern was that if the PO did not care for the car, the M1 would loosen a ton of crud. Going forward I will not be changing the oil this often.

Go here for uber premium oil. Who's gonna pull the trigger on a $100 oil change?

www.renewablelube.com


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Also, Wise Man removes personal info from UOA before posting on the internet!
I was wondering how you knew my name. That's what I get for posting from work on a very busy day.
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Old 10-25-2007, 04:01 PM
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I'm staying out of the debate of what your soot levels mean or how high or low you can go.

To answer your question on what can be done to control soot levels in your oil, you need to control them at the tail pipe.

to keep soot levels down make sure you have the following.

A clean air filter.

proper or higher than spec boost level

clean and functional injectors.

A little soy bean oil based biodiesel (B2,B20,B100) is supposed to help too
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Old 10-25-2007, 04:45 PM
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Quote:
Originally Posted by drgreenthumb View Post

My concern was that if the PO did not care for the car, the M1 would loosen a ton of crud. Going forward I will not be changing the oil this often.


Now that's a very different discussion. I would have have changed at 5k miles, too.

You can run up to 1.0% soot without issues or concerns. This is evidenced by ultra-low wear numbers. What is Terry trying to say is acceptable? I guess we're missing that tidbit.


I've looked at hundreds of diesel automobile UOAs. This one shows a good running car. I see no major concerns.
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Old 10-26-2007, 07:57 AM
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Quote:
Originally Posted by drgreenthumb View Post
I had the Dyson analysis done but I feel like I have "Fight Club" rules with his comments - I am not really supposed to talk about it. That is why his comments are not in the PDF but now come in a .wav file. The flashpoint is low and the other metals that are high indicate wear caused by soot in the oil.
So, your attached scan of the report does not show the soot level, but you think that the wear metals are high and that is caused by a high soot level? You have a separate .wav file from Blackstone with the soot value? You cannot talk about his comments? This all smells rather foul to me...

I'd recommend you get the test kits from Performance Analysis, owned by Mr. George Murphy, who is the Technical Advisor for MBCA. I also used Blackstone in the past, but when I found they didn't provide soot levels I switched.
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Old 10-26-2007, 08:16 AM
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My understanding of the Blackstone analysis is that the insolubles represent the soot level among other contaminants and as long as they are below the threshold shown you are OK. The entire analysis really doesn't look bad to me at all, especially with an engine that has 165K miles on it already.

Did you inform them that this was a first use of synthetic oil before they analyzed it? You might expect numbers to be slightly higher in the first use of synthetic oils so I would not get too excited at this point. How about you drive another 5K miles and draw a sample for analysis to compare? That way you would know if your results are an anomoly or not.
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  #9  
Old 10-26-2007, 08:54 AM
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Originally Posted by Maxbumpo View Post
So, your attached scan of the report does not show the soot level, but you think that the wear metals are high and that is caused by a high soot level? You have a separate .wav file from Blackstone with the soot value? You cannot talk about his comments? This all smells rather foul to me...
There is no soot value in the Blackstone report. Terry's comments were not that things are bad, rather that they can be better. The goal is to reduce the chromium, iron, and potasium levels. By following his recommendations, for example, the chromium level should drop to 1 or even 0. The two metals are the indication of soot doing what it does.

The reason Terry wants his comments to remain confidential is because there are people who are reverse engineering his work. This results in a loss of his business. I am trying to respect that even though I did pay for the analysis and consultation and it is mine.
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Old 11-13-2007, 10:48 PM
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Oil analysis on the new car

I sent to Performance Analysis samples of engine and transmission oil from the new-to-us 1996 E300D (W210). Both were probably dino oils and I replaced them with Mobil-1 synthetics. The car and its original engine and tranny have 248,220 miles on them. I don't know the miles on the oils because I didn't get that information from the PO. It is likely that all the miles on this car were accumulated using petrodiesel; almost all of mine will be biodiesel -- B100 here in Santa Rosa -- and petrodiesel on the road, out of town (unless I get lucky).

Both samples look good. I noticed that the reports don't include any units (probably PPM) and that there are no references or ranges supplied for the various factors. The info sheets sent me by George Murphy give the results of ten years of the oil analysis program (1984-1994). My numbers look good compared with the "average" numbers for 173 NA diesels included in the ten years of data.

I'll send in another engine oil sample after 5000 miles (requesting TBN) and will not change the engine oil until the analysis suggests that it is time. That will give me time to figure out what all the numbers mean.

Jeremy
Attached Files
File Type: pdf Engine.pdf (49.3 KB, 111 views)
File Type: pdf Transmission.pdf (45.9 KB, 88 views)

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