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05-21-2021, 09:27 AM | #1 |
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Replace a single tire?
Hey everyone, hope all is well!
I have 3 HP Primacy tires that have not been used for a while and I wanted to put them back on my car, but I have a bit of an issue. I initially put away the tires after one tire blew out, and replaced them with PSS, but now those are worn. The HP's have only been used for 1 year and only have ran about 5-10k. My question is, can I put a single new HP Primacy tire with the rest or will that affect the treading etc. I was thinking about buying a used tire, but now I don't feel safe using a used tire. Here are the 3 tires...Will they be ok with a single new tire? |
05-21-2021, 10:14 AM | #2 |
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It'll work just fine. Id be more worried about those other 3 tires since they might be getting old, i guess it would be alright since you didnt really use them much.
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05-21-2021, 10:29 AM | #3 | |
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Is that really a cause for concern, what could happen to tires that haven't been used in a while?...Because these 3 tires have been sitting in the backyard shed for around 4 years now. |
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05-21-2021, 10:34 AM | #4 | |
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Replace a single tire?
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Rule of thumb is that tires lose a significant portion of their grip after ~6 years of being made, and after 10 years they should be replaced regardless of thread wear. I personally don’t use performance tires at all after they reach 6 years. Check for the date stamp on them, if they’re older than 2016 I’d toss them. https://m.tirerack.com/tires/tiretec...e&gclsrc=aw.ds |
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05-21-2021, 10:37 AM | #5 |
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Might want to get a used one with almost the same amount of tread life left, if possible.
If you buy a new tire, you'll be stuck with a single one once it is time to replace the old set but you could keep it as a spare just like your previous incident. Based on the pictures, them tires still got a good amount of life left on them. It would depend on how they were stored. Were they garaged or left outside in direct sunlight?
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05-21-2021, 10:53 AM | #6 |
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05-21-2021, 10:59 AM | #7 | |
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05-21-2021, 11:00 AM | #8 | |
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The Following User Says Thank You to dinfern22 For This Useful Post: | KMA KiCKz (05-21-2021) |
05-21-2021, 11:30 AM | #9 | |
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It might be best to play it safe. Better to spend money on new rubber than to be in an accident due to old tires.
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05-21-2021, 11:32 AM | #10 |
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I don't see any signs of dry rot so I'd say you'll be ok. The tires don't look too worn either so the one new tire shouldn't have that much of a difference in circumference (which I think is where the recommendation to always change at least 2 tires at a time comes from). That said; I'm just some guy on the internet.
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05-21-2021, 11:35 AM | #11 |
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Most sources will tell you 10 years is the maximum you should be running, I’ve noticed that tires between 6 and 10 years old are more unpredictable then before. I wouldn’t say 2015 tires are unsafe, just realize they may behave differently at the limit and the limits will be lower. Better than running a set of $60 tires that’s for sure.
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05-21-2021, 11:37 AM | #12 |
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Oh, and put the new tire on the front, just in case there is a small difference in rolling diameter between the old tires and new tires, your LSD won’t have to deal with it.
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05-21-2021, 11:52 AM | #13 |
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05-21-2021, 12:06 PM | #14 |
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Yea sunlight and heat will quicken the process too, and dry the tire out. Modern tires are pretty resistant to that though, they have a molded-in dressing/conditioner that ‘sweats’ out of the tire over time and protects the surface of the rubber. That compound sweating out is what makes tires look brown after a while. |
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