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Old Nov 26, 2014 | 04:32 PM
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Default Tire Age

My tires will be 4 years old in january. Only 14000 miles on them,
my question is when is it time to get rid of them regardless of miles?
They are Kumho tires
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Old Nov 26, 2014 | 05:06 PM
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It looks you put on around 3,500/year on the tires. I wouldn't even think about it for another 2-3 years and until the tires are 6-7 years old and may have around 21-25,000 miles on them if your annual mileage doesn't change.
At that time I would re-address this question as it is way to early to even think about it now IMO.
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Old Nov 26, 2014 | 05:14 PM
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There was talk a few years back about including tires 7 years old or older as a reason to fail inspection here in NY. Due to all the variables it never got off the ground.
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Old Nov 26, 2014 | 05:29 PM
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Inspect your tires for fine hairline cracks, both sides of each tire & between the threads. If none, you should be good for another couple of years as long as no cracks appear.
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Old Nov 26, 2014 | 06:22 PM
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Thanks for the information
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Old Nov 26, 2014 | 07:14 PM
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Heat , time, and humidity play a big part in drying out the natural oils found in a tire compound...there is no rule of thumb for tire age... Physical inspection offers more relevance to condition then miles, or age. Driving conditions, low tire pressure, aggressive driving, black top versa concrete roadway all play into the degrading of the rubber found in a tire... a touring tire will last longer than a performance tire because their is more carbon in a touring tire compound. Carbon is not effected by time, heat or conditions. Performance tires see more heat, and have more rubber in the compound then touring tires and so their life expectancy is less than a touring compound.
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Old Nov 26, 2014 | 08:17 PM
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Originally Posted by Evil-Twin
Heat , time, and humidity play a big part in drying out the natural oils found in a tire compound...there is no rule of thumb for tire age... Physical inspection offers more relevance to condition then miles, or age. Driving conditions, low tire pressure, aggressive driving, black top versa concrete roadway all play into the degrading of the rubber found in a tire... a touring tire will last longer than a performance tire because their is more carbon in a touring tire compound. Carbon is not effected by time, heat or conditions. Performance tires see more heat, and have more rubber in the compound then touring tires and so their life expectancy is less than a touring compound.
Thanks for the info. Mostly blacktop, no agressive driving and
I live in georgia. These are kumho tires.
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Old Nov 26, 2014 | 09:04 PM
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Originally Posted by cessna10
Thanks for the info. Mostly blacktop, no agressive driving and
I live in georgia. These are kumho tires.
Blacktop roadways in Georgia, in the summer can reach 140F... concrete roadways could be 30 degrees cooler. tire pressure is very important as well. Lots of people on this forum will offer advice, because some is hype, and some is hear-say.. little is based in sound technology, so be careful who you listen too.. dry rubber manifests itself in fine cracks found close the rim and sidewall and also between the thread.
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Old Nov 26, 2014 | 09:09 PM
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Originally Posted by 6GenVettes
Inspect your tires for fine hairline cracks, both sides of each tire & between the threads. If none, you should be good for another couple of years as long as no cracks appear.
This is the number one thing to look at. If your good on the inspection then happy motoring!
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