Originally Posted by RDY4WAR
Originally Posted by CT8
Why would you do a uoa on a cleaning interval? I have to ask.
As carbon deposits form throughout the engine, they can trap wear particles in them. If you dissolve those carbon deposits with a flushing oil, those wear particles will go back into suspension. A UOA will show those wear particles.
Not sure how an oil knows it's a 'flushing oil' and that it would dissolves deposits at a rate different than any 'non-flushing oil'. And a solvent would throw the data off even further.
But let's pretend it did. Maybe it had 'intelligent molecules'.....
The result would be an oil with non-representative characteristics for the OCI being run. It would show, relatively speaking, higher wear/contamination rates per mile than is typical for the engine as the 'flushing effect' dissolved all those extra deposits/wear particles.
Now, we all know that oil analysis data is best utilized when it is part of a program that tracks trends over time on an individual engine. So how would a trending analysis program with known controls use data from an OCI that was uncontrolled by definition???
Seems like a bunch of mumbo jumbo but maybe there's something I'm not taking into consideration...
Cheers!!!