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timing chain 4.2 how long do they last??

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  #16  
Old 01-22-2017, 07:45 PM
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As posted years ago, the 4.2 timing sets should last the life of the engine. It's a simple OHV setup with a balance shaft, not OHC with long chains.
 
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  #17  
Old 02-10-2017, 08:37 AM
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Timing chains are good for the life of the engine.
 
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Old 05-29-2021, 03:13 PM
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Originally Posted by chet85
I am installing a used motor in my truck soon it has 80 thousand miles..does any know how long the timeing chains last or when should you replace them ..are they good for 2 hundred thousand miles has anyone had one break on them ..thanks
I'm not a mechanic or anything. But my dad taught me a little. And he always said in an older vehicle its good to replace a timing chain every 80-100 thousand miles
 
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Old 05-29-2021, 07:51 PM
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To again, reiterate, glc's excellent advice:

Originally Posted by glc
As posted years ago, the 4.2 timing sets should last the life of the engine. It's a simple OHV setup with a balance shaft, not OHC with long chains.
You can replace them if you want, but you are just wasting time and money.
 
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