Quote:
Originally Posted by deanyel
Changing the chain doesn't really do anything for you if the rest of the system is bad. Conversely there's really no reason to change the chain if the rest of the system is good. The car most likely had original nylon chain guides.
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Are you saying a meticulously cared-for engine is less likely to experience chain issues prematurely? Or would you say it is the luck of the draw? I have pulled apart an OM602 at 247K with very little chain wear (or "stretch") yet there was wear on the guides. Having it apart, I replaced chain and upper guides, with the exception of the slightly worn banana rail, omitting that chore since I didn't pull the timing cover.