Quote:
Originally Posted by Jamesp
I'd like to see the numbers on that. I did take mine apart and cleaned it with solvents, not ultrasonic. My sense is the stock oil filter does a better job than it is credited with as has been amply demonstrated when they are cut open. What do the chips take out? Seriously, provided the oil filter does not fail, they go through the oil pump and end up in the filter. If they are too big, the end up in the pan. The death blow isn't the chips, its the damage that created them. Now if an open bearing is chosen as an IMSB replacement using unfiltered oil, the story changes.
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Obviously, I cannot speak for all attempts at this, but we have had three customers that had IMS failures (which we identified in the shop by pulling the sump covers) that then subsequently undertook DIY retrofit and multiple oil flushes (no engine disassembly), and none of them survived more than 200 miles.
You case is somewhat different in that you at least tried to mechanically remove as much debris as possible before returning the car to service. Most people actually do not attempt that.
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