Yeah but I am assuming at a same age and mileage. If a 20 year old chain at 300k+ miles snaps, well its old what do you expect? The guides are plastic they are not going to last forever.

Anyone seriosly thinking about keeping their car for a very long time would be well advised to pull the front cover off and replace the timing chain, oil pump chain, and most of the guides before 300k miles.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200