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Old 09-12-2009, 05:02 PM   #1
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tire pressure question

I have a 36ts and had some issues with blowouts in the past. running 110 psi currently. just wanted to know what others are running.
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Old 09-13-2009, 12:18 PM   #2
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I run 45psi - my SV210 is probably around 4K# or less. When I checked them the first time they all had 45 from the dealer so that is what I run. I understand that the biggest thing is to make sure they are equal. If you have more in one that the other (on the same side) that is bad. Of course you don't want to go more than what the sidewall indicates either. 110 seems very high to me - most trucks don't have that much pressure.
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Old 09-13-2009, 02:23 PM   #3
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SV-291 here.... 50 psi I believe... (I always fill it to max cold inflation as indicated on the sidewalls.)

110? Wow. That does seem very high to me on any travel trailer.
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Old 09-13-2009, 04:55 PM   #4
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Yeah I agree. 110 is high. I would recommend looking on the side wall of the tire and putting the proper pressure in as I'm sure at over 100 PSI you bound to have a blow out sooner or later. Just a thought
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Old 09-13-2009, 05:54 PM   #5
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Quote:
I have a 36ts and had some issues with blowouts in the past. running 110 psi currently. just wanted to know what others are running.

Cardinal 36TS ???

What year?

Goodyear G614 ??

SPECIFICATIONS

Tire Size *LT235/85R16

Load Range "G"

Sidewall BW

Tread Depth (32s) 12

Apprvd. Rim Widths 6.50

Meas. Rim Width 6.50

New Tire Width 9.50

Outside Diameter 30.7

Max Load at Infla. (PSI) Single 3750@110

*This tire requires a special high load capacity wheel and high pressure tire valve. Consult wheel manufacturer for proper application.
Steel/Steel Construction


Goodyear G614 RST tire blowout and damage
http://cptxguys.com/RV.html
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Old 09-15-2009, 05:41 AM   #6
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I run with the side wall recomendation (110 psi) all the time on my 35' cardinal. I check the tire pressure each and every time the trailer hits the road. I have found a 5-10 pound pressure change most everytime. I know its due to air temp and things like that. I do however make sure i have 110 when leaving.
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Old 12-05-2009, 12:06 AM   #7
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I have a 2010 3625RT. Dealer put in 85 psi, but spec sheet on side of unit says run 110 psi. Dealer confessed his compressor only goes to 85 and I should run 110. Apparently FR had a recall in 2009 and now has new wheels and tires. I am ramping up to 110, but it seems to run well at 85.

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Old 12-06-2009, 12:07 PM   #8
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General Tire Considerations:

1. Use pressure stated on tire sidewall. All tires should be equal pressure.
2. For tandem axles: level the trailer as much as possible.
3. Rotate and balance each season.
4. I haven't met anyone yet (maybe you have) who has run off more than 6000 miles on any trailer tire without some failure. They don't last.

Underinflation causes the tires to bulge a little at the bottom. As you roll, the flexure heats up the compound until it blows.

Unlevel trailers put more load or all the load on two tires instead of four. In my case, I have wheels that safely carry a load of 1850. That's 3700 pounds per axle. My trailer weighs over 5000. See the point?

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Old 12-27-2009, 01:54 AM   #9
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Quote:
Originally Posted by mcnealrw View Post
I have a 36ts and had some issues with blowouts in the past. running 110 psi currently. just wanted to know what others are running.
I have never seen RV tires rated at 110 PSI. Is that something new. The goodyears on my 2008 are rated at 80 PSI cold.

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Old 12-27-2009, 10:54 AM   #10
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Originally Posted by Bird Hauler View Post
I have never seen RV tires rated at 110 PSI. Is that something new. The goodyears on my 2008 are rated at 80 PSI cold.

Larry
Don't know about the tires on the bigger 5ers but I have heard of this. Of course ALL RV tires on Class A motorhomes are 110psi. If you can get a load rating tire that is much higer than what you really need then you can lower the pressure of the tire for a better ride but still carry the same load on them.
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