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Guest Message by DevFuse

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no damage from piston slap

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5 replies to this topic

#1 mrk610


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Posted 02 November 2003 - 10:47 AM

I just got my oil analysis back for my car . I have a 02 outback base wagon with 32 k miles on it . I have had the car diagnosed with piston slap at 6k miles . I use mobil 1 5w40 in the winter and 10w40 in the summer I change the oil at 5 k intervals . My oil came back normal for my engine . No abnormal wear due to the slap problem . So I guess SOA is right that it does no damage to the engine . I sent the oil to Blackstone labs . It cost 20 bucks and they supply the shipping container .
Well I felt so good about my car that I gave it a good detailing to day at work .
I now feel alot better and I'll just have to learn to live with the noise .


#2 frag


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Posted 02 November 2003 - 11:16 AM

Are these tests detailed or do you receive only a pass do not pass report? And if they are, is there a part where they give the metal shaving count (weight, etc.) of the oil?
Are they giving you precise measure of the viscosity, the contaminant content, dirt content, metal content, etc. explicitely?

#3 Ranger83


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Posted 04 November 2003 - 02:14 PM

I use National Tribology

#4 1 Lucky Texan

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Posted 04 November 2003 - 07:02 PM

frag, those are quite detailed tests(I think fleets and aircraft have done OAs for years);
check www.bobistheoilguy.com for some interesting reading.

#5 mrk610


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Posted 04 November 2003 - 08:00 PM

they give a very detailed report .
Go to www.blackstone-labs.com web site.
They give you percentages in parts per million.
they give 20 different element readings .
They also giveyou the viscosity, flashpoint ,fuel%,antifreeze%,water% and insolubles.


#6 frag


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Posted 04 November 2003 - 08:39 PM

Thanks to you both. I was not aware they went into such details.

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