Correlation versus causation, the usual logical fallacy! High engine revs can't be shown to *cause* premature engine failure, but there are other htings to take into account. If you're the type of driver that likes to drive the car hard, there's a lot of other stress factors involved than just how many times you revved the engine.
But even if there is a correlation, that doesn't make me comfortable with Porsche using computer data that states how many times you've hit [whatever] RPM as a tool for denying warranty claims. It is not proof of any sort that you've mistreated the car... well, except for really obvious over-revving of course...
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