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Normally they will last the life of the engine and are replaced during a complete overhaul.
About 10-30 years
Sweden.
The life expectancy of a timing chain on a 1999 454 Vortec engine is 5 to 10 years. The exact time depends on how often the vehicle is driven.
Life expectancy is the average length people live.
it is from 5-20 years old
morality.
I think around 80 yrs old.
roughly 350,000 to 400,000 miles if properly maintained
Usually up to 40 years maximum
79 for men and 82 for women.
what is the life expentancy for individuals with cat cry syndrome