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Hey, I was wondering if anybody knows how long the timing chains last on the srt4. I heard somebody say you have to change it at only 100k miles, as the parts start wearing out around there and it's an interference motor so you have to be careful. I figured it would last a very long time but I'm not sure. Thanks for the help.
 

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Timing chains are designed to last the life of the engine...there's no scheduled replacement interval like you have with timing belts. Having said that if something out of the ordinary happens (like the chain stretches), then you might need to replace it.
 

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I have been told by a few people that it needs to be replaced around 100k miles. Not sure who to believe. I wish there was more information on this car. I have the srt4 caliber. I emailed realtune and modern performance to see what they say.
 

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You can download the owners manual from Dodge.com which tells you what the service items are.
The timing chain, valves, piston rings, camshafts are items that are serviced during an engine rebuild.
If you are racing every w/e sure 100k, regular abuse 250k, normal use maybe 400k.
 

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Timing chains are designed to last the life of the engine...there's no scheduled replacement interval like you have with timing belts. Having said that if something out of the ordinary happens (like the chain stretches), then you might need to replace it.
Not true
Mine jumped time at 164,678 miles.
Chains was stretched a bit.
 
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