Thank you darbikrash!
It seems that the tests identified at least one system with high risk for failure and was able to discriminate well enough to show DLC could mitigate.
This is excellent.
Thanks for straightening out my misinterpretation. I now understand the finding of "too much" margin above coil bind leading to dynamic instability. This is probably not a surprise to most but as you say, the dynamic loading and effect on lifter wear is probably not as high on anyone's radar as just losing control of the timing events.
Clearly the big list of factors that contribute to lifter wear performance makes it hard to compare something as seemingly basic as a lifter brand comparison or a DLC coating.
I personally would happily pay $20 for a coating known to reduce failure risk under at least one set of variables.
I think it's awesome to find a supplier investing the level of testing you describe in today's world of supply chain nonsense. Your post has definitely left a good impression of Comp!
Thanks again for sharing this.
Mike
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