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Old 12-17-2008, 03:56 PM   #1
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Default tire foams going bad

how do you tell if the foams are bad i have a bunch of tires mounted up and they have set for about two years with out being used, the tires and foams were new when I mounted them up but they have sat around a collected dust. i would really hate to have to un-mount them to replace foams.
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Old 12-17-2008, 04:25 PM   #2
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I would compare them to a new set...yours, or someones at the track. If they bounce back in a similar manner I would say they are good. If they don't bounce back or seem too hard, then, I think they would be toast.
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Old 12-17-2008, 04:32 PM   #3
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If the foam has not had contact with any chemicals or water, they should last a good long time. I've seen foam go bad (get too soft) before the tread is worn out off a tire, because of using traction compound. It soaks through the rubber and gets into the foam.
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Old 12-17-2008, 05:12 PM   #4
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i would think that they would be good to go.. i have several old sets that have help up well on the shelf
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Old 12-17-2008, 07:00 PM   #5
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Only prob is letting them sit with the weight of the car on them - they will flat spot and it does take a good while to get the flat spot to go away. I take my wheels off or put car on a stand so there's no weight on the tires/foams. I've used some that had been sitting more than 2 yrs and had no probs, they were like new.
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Old 12-17-2008, 07:38 PM   #6
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Quote:
Originally Posted by Duster_360 View Post
Only prob is letting them sit with the weight of the car on them - they will flat spot and it does take a good while to get the flat spot to go away. I take my wheels off or put car on a stand so there's no weight on the tires/foams. I've used some that had been sitting more than 2 yrs and had no probs, they were like new.
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