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In theory (covered in another JFP thread) you can use Durametric deviation readings (bouncing line) to observe the effect of a worn/wobbling IMSB. How much warning you get with this I don't know. But it helps make the case for using your Durametric every time you change oil or even more frequently to develop a history and familiarity with this tool. And getting a filter slitter if you have a spin-on.
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