Quote:
Originally Posted by gumpy
Unless you use a very specialised place i'm pretty sure they're using a type of spectrum analysis on the oil... and from what i understand that only gets you the dissolved stuff in the oil. They do they don't centrifuge the oil and seperate all the stuff out. BITOG has more on this.
In saying that it's probably the best method of testing, but just know it's also limited...
GC is probably one of the best but i know my dealership will void my warranty for using something different to 5w30... they are so lame... i hate them...
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I understand what you're saying. Insolubles normally should be below 0.6%. On the Altima and the Z, I never had anything higher than like 0.3%. If it's high, then you have more trouble than just what's IN the oil. Means you got some issues with oil or air filtration. I guess...just throwing that out there.
Late,
Trav