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Old 02-06-2008, 01:57 PM   #1
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Default Tire Compounds

I have ran Jaco foam carpet tires all the time. I was wondering for example is a Jaco yellow compound tire the same as a Parma(or any other foam tire Maker)yellow tire. If not is there a way to figure what compound is equal to another
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Old 02-06-2008, 05:50 PM   #2
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Old 02-06-2008, 06:01 PM   #3
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The only way to know exactly how hard any tire is is to use a durometer. (Here's one I just found online: http://www.pegasusautoracing.com/pro....asp?RecId=349)
A durometer measures the hardness of the foam. It's most commonly used on real race car tires to "match" tires of the same hardness.
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Old 02-06-2008, 06:32 PM   #4
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There's more to foam rubber rating than just a durometer rating. The are other chemicals in the foam rubber compounds that change the wear and grip of the foam.

Also, you shouldn't try to compare one brand to another on a durometer only. That will get you in the ballpark, but testing will be the only way to know for sure.
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Old 02-07-2008, 07:10 AM   #5
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The tire you run can vary from track to track depending on the grip.

I would ask the guys who run that track regularly what tire they are running. Everyone I have ever asked has always been kind enough to tell me. In fact I have never had anyone refuse to tell me or be rude.

If no one is running the tire you are thinking about running try contacting the customer support of the manufacturer and ask them. I have good luck with that as well. They will want you to run well so you will buy and "sell" their product.
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