Originally Posted by
davidorama
I think timing chains are meant to last for the life of an engine if the engine is well maintained, theres no accidental damage and no engineering faults.
Agree
There is no actual "change at this mileage/time" for chains. It's run to fail (that doesn't mean breakage).
My BZB block EA888 has 196,000km. No chain noises, even at start up. That's pretty normal.
The only chain I've ever replaced was on a Holden 253 and that was "while I was in there" preventive maintenance fitting a duplex chain instead of the single when replacing the camshaft.
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I used to think I was anal-retentive until I started getting involved in car forums
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