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Old 08-25-2015, 10:33 PM   #1
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Another tire question

My 2015 can with nitrogen filled 14s with aluminum wheels. When I picked it up it had 45 lbs in all tires. Should I bump it up to the max of 50? Being that it came with aluminum rims, does that mean it will handle a higher pressure tire or will I have to break it down to see what's on the wheel? Thanks


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Old 08-25-2015, 10:59 PM   #2
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FWIW - When I had my trailer with 14's on aluminum wheels, I ran 50 all the time.
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Old 08-26-2015, 08:24 AM   #3
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I don't run the max in my tires, not even my truck tires


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Old 08-26-2015, 08:58 AM   #4
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Quote:
Originally Posted by Hornnumb2 View Post
My 2015 can with nitrogen filled 14s with aluminum wheels. When I picked it up it had 45 lbs in all tires. Should I bump it up to the max of 50? Being that it came with aluminum rims, does that mean it will handle a higher pressure tire or will I have to break it down to see what's on the wheel? Thanks


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I'd run max sidewall pressure period.

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Old 08-26-2015, 09:16 AM   #5
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It is air that that holds the weight. There are actual formulas to calculate how much air you should have in the tires to support the weight, keeping the boundaries of not to exceed maximum tire pressure, and making sure you are above the minimum. If the tire is under inflated, heat builds up in the tire, leading to catastrophic failure. I have enclosed an informative document on this subject.
Not sure about Nitrogen and tires. Air is 80 percent or so Nitrogen, and the very first time one adds air to the tires, any marginal gains by pure Nitrogen are lost. You are better off making sure you have properly inflated tires than worrying about the Nitrogen content.
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File Type: pdf Tire Pressure Calc.pdf (447.2 KB, 166 views)
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Old 08-26-2015, 11:51 AM   #6
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I usually keep around 78%-80% nitrogen in all of my tires depending on the altitude.


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