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Old 11-01-2013, 12:18 PM   #11
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I've got a 2013 34 RLSA. I also ordered the 7000# axles and GY 614 tires. Before I got it, I called the factory and was told the revised GVWR was 15,500. The sticker on the trailer confirms that.

Ducky, I run my 614's at 105 psi cold (+/- a couple). I am not very close to the GVWR loaded, probably around 14,000. Are you saying I'm running with my tires over-inflated? BTW, I use a TST TPMS on my trailer tires.
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Old 11-01-2013, 01:04 PM   #12
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Originally Posted by WeRCreekers View Post
Ducky, I run my 614's at 105 psi cold (+/- a couple). I am not very close to the GVWR loaded, probably around 14,000. Are you saying I'm running with my tires over-inflated? BTW, I use a TST TPMS on my trailer tires.
This should help: http://www.goodyearrvtires.com/pdfs/rv_inflation.pdf

I also use the TST system. Works great.

The best way to determine load is to weigh each tire. It's just not practical. So I head to a CAT scale and weigh the trailer while hooked up. That is the number I use. So let's say its 13,000 lbs. /4 tires = 3,250
Look on the chart and you will find the correct pressure for the load is 90 rounded up to the 3,300. Some folks add 10% for the Gipper. I do not. With proper inflation I get excellent tire wear, great ride and no bounce.

Concessions:
Rolling resistance is greater but not significantly to justify the negative aspects of over inflation.
My method is not exact. It's an average. I do that because I'm not as picky as I used to be.
The Left (ODS) is heavier than the Right.
The Front axle bears slightly more weight than the rear.

Results: On a hot Summer day cruising down the highway at about 62 mph, my tires inflate to 108 psi and run at 100*F.
Smooth, cool and well within specs.
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Old 11-01-2013, 01:41 PM   #13
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Ducky, on a hot day your tire pressures increase 18 PSI? That seems a bit excessive. You mentioned that's the case on a hot summer day. Have you checked the increase during a 70-80 day? Thanks, Mike
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Old 11-01-2013, 03:26 PM   #14
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Master tracker tires

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I have a 2013 with these tires,can you tell me how they failed?? What pressure did you run in them?????
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Old 11-01-2013, 03:37 PM   #15
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Hi
one shop suggested I install a light truck tire instead of trailer tires the same size that came with the trailer.

Pete
Pete, did they give you a brand name for this LT tire? I haven't ever seen a 235/80R16 in anything but ST tires in any brand we sell. Just curious.
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Old 11-01-2013, 05:55 PM   #16
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Ducky, on a hot day your tire pressures increase 18 PSI? That seems a bit excessive. You mentioned that's the case on a hot summer day. Have you checked the increase during a 70-80 day? Thanks, Mike
Sure did. They go up to 98 psi and run at 95* F on a mostly sunny 80*F day. On a 70*F day they run about 96psi and 90*F.
Anything under 70* they put out a Silver Alert on me cause I'm lost.
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Old 11-01-2013, 05:58 PM   #17
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The LT's are 85's. Goodrich Commercial TA, Michelin XPS Rib and a Cooper that I can't remember the model name for are out there in addition to the G614
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Old 11-01-2013, 06:03 PM   #18
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I'm currently running the Cooper SRM II. Great tire at a good price.
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