Blackstone engine oil analysis
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Senior User
Joined: Dec 2008
Posts: 439
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From: Lubbock, Texas
Blackstone engine oil analysis
Hey guys,
Just recieved my engine oil analysis from Blackstone laboratories. They flagged several items that could be a problem or just a result of the engine swap I performed about a year ago? Take a look and let me know what you think.
Just recieved my engine oil analysis from Blackstone laboratories. They flagged several items that could be a problem or just a result of the engine swap I performed about a year ago? Take a look and let me know what you think.
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Senior User
Joined: Dec 2008
Posts: 439
Likes: 4
From: Lubbock, Texas
About 6 months, it's mainly used for camping and local trips to the hardware store. I did add a few brass fittings for an oil gauge. Maybe that's contributing to the copper?
Hotshot
Joined: Mar 2007
Posts: 10,101
Likes: 40
From: Pa
Its possible the long block could have sat a bit before you got it and developed some corrosion which your now seeing on the UOA since the engine is in service. Maybe try a slightly higher viscosity oil like a 5w-30 and see if anything changes, should give you better hot protection. I can't really think of anything you can do about about it without tearing the engine down and inspecting it. If it is running good and sounds good I would get another UOA in 3k miles and see how it looks. I take it you are using a Motorcraft 820S filter?
Believe Nothing
Joined: Jun 2004
Posts: 7,514
Likes: 398
From: W. Central FL.
Follow up analysis. You're looking for a trend now. "Engine swap a year ago" Was the engine opened or did it have anything done to it then?
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Senior User
Joined: Dec 2008
Posts: 439
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From: Lubbock, Texas
Its possible the long block could have sat a bit before you got it and developed some corrosion which your now seeing on the UOA since the engine is in service. Maybe try a slightly higher viscosity oil like a 5w-30 and see if anything changes, should give you better hot protection. I can't really think of anything you can do about about it without tearing the engine down and inspecting it. If it is running good and sounds good I would get another UOA in 3k miles and see how it looks. I take it you are using a Motorcraft 820S filter?
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Hotshot
Joined: Mar 2007
Posts: 10,101
Likes: 40
From: Pa
A UOA or two in this thread, including one I posted. The UOA I posted was with 34k miles on the engine at that time.
https://www.ford-trucks.com/forums/7...is-report.html
https://www.ford-trucks.com/forums/7...is-report.html
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Joined: Jul 2002
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From: Long Island USA
Interesting.
Since the bearings are aluminum-silicon, and your silicon reading is three times the average, and aluminum is high too, I would start wondering...
Definitely do another analysis, I'd certainly want to keep an eye on that.
This is interesting: Sources of Elements found in Oil Analysis
Silicon can be in synthetic oils.
I wonder, if you asked Mobil about the analysis, if you'd get an answer?
Since the bearings are aluminum-silicon, and your silicon reading is three times the average, and aluminum is high too, I would start wondering...
Definitely do another analysis, I'd certainly want to keep an eye on that.
This is interesting: Sources of Elements found in Oil Analysis
Silicon can be in synthetic oils.
I wonder, if you asked Mobil about the analysis, if you'd get an answer?
Thread Starter
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Senior User
Joined: Dec 2008
Posts: 439
Likes: 4
From: Lubbock, Texas
Interesting.
Since the bearings are aluminum-silicon, and your silicon reading is three times the average, and aluminum is high too, I would start wondering...
Definitely do another analysis, I'd certainly want to keep an eye on that.
This is interesting: Sources of Elements found in Oil Analysis
Silicon can be in synthetic oils.
I wonder, if you asked Mobil about the analysis, if you'd get an answer?
Since the bearings are aluminum-silicon, and your silicon reading is three times the average, and aluminum is high too, I would start wondering...
Definitely do another analysis, I'd certainly want to keep an eye on that.
This is interesting: Sources of Elements found in Oil Analysis
Silicon can be in synthetic oils.
I wonder, if you asked Mobil about the analysis, if you'd get an answer?
Moderator
Joined: May 2005
Posts: 8,216
Likes: 1,231
From: San Antonio, TX
Check BITOG www.bobistheoilguy.com and you will find that Mobil1 UOAs consistantly show high iron levels. No one has come up with a good explanation for this. Tear downs of engines run on Mobil1 show them to be very clean and weel within tolerances though. One thing I've noticed having used Mobil1 in several different Ford modular motors is that there is some oil lost. Switched to Penzoil Platinum and no oil usage at all.
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