Why are timing chains preferred over timing belts?

If timing chain-type motors are better than others, why are all motors are produced with timing belts?

Asked on 3 March 2012 by AP, via email

Answered by Honest John

Belts were cheaper and quieter, but chains more precisely control emissions, which is why they are coming back. Mercedes-Benz engines have always been chain.

Tags: timing belt timing chain

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