Tire Pressure - Fiberglass RV


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Old 06-30-2010, 03:54 PM   #1
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We have installed new tires on our 13' Boler.The recomended tire pressure for the trailer is 30#.The garage that installed the tires inflated them to 40#.They said this higher inflation gives better tire wear.Is it OK to leave this pressure or should we reduce it to what is recommended by the trailer mfg.Thanks.Pat.

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Old 06-30-2010, 03:57 PM   #2
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I don't know about Bolers, but U-haul reccomends 40 lbs.
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Old 06-30-2010, 04:22 PM   #3
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I would go by what is on the sidewall of the tire.

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Old 06-30-2010, 05:00 PM   #4
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Goodyear provides a guide for what weights are supported by various tire pressures. As long as you're using the same tires recommended by Boler, and the pressure they recommend you should be fine. If you carry heavier loads, the chart might come in handy for raising the pressure. Many manufacturers recommend the maximum rating listed on the sidewall, which might make for a bouncier ride and increased center tread wear, but gives the maximum load capacity.
http://www.goodyear.com/rv/pdf/rv_inflation.pdf

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Old 06-30-2010, 06:57 PM   #5
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The tire pressure label on our Bigfoot says 32PSI, but the tires have been upgraded to load range "C". 50PSI is now correct, they would run hot at 32PSI.
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Old 06-30-2010, 08:22 PM   #6
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Who knows what type of tire the Boler folks had in mind? You're not running those exact tires. Best to go with the tire manufacturer's recommendation. Your tires' weight carrying capacity is proportional to the tire inflation. If you run them at 30 psi you are running them at a fraction of their designed weight carrying capacity. I see no logical reason to do that. That would be like buying a chain to hold up a 1 ton weight, then sawing halfway through a link before hooking it up your weight.

Looking at it another way: there is no possibility that the extra psi could harm your trailer.
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Old 06-30-2010, 08:30 PM   #7
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Some good info from Carlisle here:
http://www.carlisletire.com/product_care/t...rvice_guide.pdf

"Carlisle Tire & Wheel only recommends and only warrants tires maintained [at] the max air pressure while in service."
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Old 06-30-2010, 11:46 PM   #8
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I called the Scamp factory a while back to ask about my Scamp 13 tire pressure. They said to go with the recommended pressure on the side of the tires (50#) and to ignore any stickers on the camper or info in the Manual.
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Old 07-01-2010, 02:35 PM   #9
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Quote:
Some good info from Carlisle here:
http://www.carlisletire.com/product_care/t...rvice_guide.pdf

"Carlisle Tire & Wheel only recommends and only warrants tires maintained [at] the max air pressure while in service."
Thanks Roy this was very informative.
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Old 07-01-2010, 02:38 PM   #10
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Thanks to everyone who responded.I will use the inflation rate on the tire sidewall.All your answers were most helpful.Pat.
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