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Old 04-01-2013, 09:27 PM   #29
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My thoughts are that if you stay in the neighborhood of 100# you shouldn't have any problems.
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Old 04-01-2013, 09:50 PM   #30
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My total weight without water is 28K lbs. I can't see ever hitting 30K so I'm still well under the max chassis weight and tire ratings.
Have you weighed each axle to make sure they are also under their limits.
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Old 04-01-2013, 09:53 PM   #31
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Glenn: Agree with 4 corner weight, use the tables for the heaviest weight on each axle end, inflate both tires on that axle the same. Add the 5 pounds and check the ride. My table pressures were 80 psi front & rear. Using +5, I set 85psi rear but found I had a more stable ride at 90 psi front..
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Old 04-02-2013, 04:26 AM   #32
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Originally Posted by MandG-Fun View Post
Jim,
They are G's.

I think now knowing that they are g rated, cliffs idea of 90# f 85# r+5# is good advise at least until you get your corners weighed. good luck and many happy miles! jim
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Old 04-02-2013, 06:05 AM   #33
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I dropped to 110 all the way around and its just right. I am going to watch the wear pattern


You should not have the rear tires at the same psi as the front. When you hit the bumps with equal psi front and back there is no give where as if you have the rear tires lower then the front as most of us do, there is a cushy wave effect when rolling over bumps.
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Old 04-02-2013, 06:09 AM   #34
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I have Goodyear 245/70R 19.5 tires manufactured late 2012. Got a four corner weight done on MH and all weights are below the lowest shown for this tire size on the Goodyear chart.

http://www.goodyearrvtires.com/pdfs/rv_inflation.pdf

Does this mean I should inflate to the lowest psi given on the chart, i.e. 80 psi?

Also, this chart includes the following footnote:

Industry standards for load & inflation are in the process of being revised. These tables are current as of 01/01/05. For the most current
information, please visit the RV Tire section of Goodyear’s Web site at www.goodyear.com/rv.

I can't find more current information on the Goodyear website. Is there a more current chart out there someplace?



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Old 04-02-2013, 06:16 AM   #35
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Originally Posted by cenfl View Post
I have Goodyear 245/70R 19.5 tires manufactured late 2012. Got a four corner weight done on MH and all weights are below the lowest shown for this tire size on the Goodyear chart.

http://www.goodyearrvtires.com/pdfs/rv_inflation.pdf

Does this mean I should inflate to the lowest psi given on the chart, i.e. 80 psi?

Also, this chart includes the following footnote:

Industry standards for load & inflation are in the process of being revised. These tables are current as of 01/01/05. For the most current
information, please visit the RV Tire section of Goodyear’s Web site at www.goodyear.com/rv.

I can't find more current information on the Goodyear website. Is there a more current chart out there someplace?
What were your weights ?
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Old 04-02-2013, 07:50 AM   #36
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95 front / 90 rear it is... now to find a scale that will permit 4 corner weighing and adjust from there. Thanks.
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Old 04-02-2013, 10:38 AM   #37
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What were your weights ?
My 4 corner weights:

RF: 2,960
LF: 3,080

RR: 5,100
LR: 5,420
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Old 04-02-2013, 10:51 AM   #38
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Originally Posted by cenfl View Post

My 4 corner weights:

RF: 2,960
LF: 3,080

RR: 5,100
LR: 5,420
I looked up your chassis info and see its rated for 18,000 lbs so your weights are in order. I've not come across a situation like this. Hopefully someone else has.
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Old 04-02-2013, 11:00 AM   #39
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10 psi

I run mine 10psi higher than Michelin recommends. They felt 'mushy' at anything less.

115 front, 100 rears.
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Old 04-02-2013, 11:57 AM   #40
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Originally Posted by MandG-Fun View Post

For me, getting an increase in load rating is secondary. My coach is built on the standard Dynasty chassis but is the smallest that they built in 2000. It is designated 34' with only one slide. My total weight without water is 28K lbs. I can't see ever hitting 30K so I'm still well under the max chassis weight and tire ratings.
It could be very easy to reach 30k not sure what size tanks you have but water is 8.34 lbs per gal so if you have 100 gal tank and 50 grey and 50 black filled thats 1668lbs.
diesel is 7.14 lbs per gal. Adding 714 lbs if you have 100 gallon tank.
Thats 2382lbs not to mention any other gear you may take. Add just 4 adults @200lbs each and your talking 800lbs your over 30k by a good half ton.
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Old 04-02-2013, 12:37 PM   #41
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Originally Posted by cenfl View Post
Does this mean I should inflate to the lowest psi given on the chart, i.e. 80 psi?
I had the same result when I went to the Load Range H Goodyears, dealer said the 80psi is the minimum recommended pressure even if the weight falls below that. In my earlier post, that is how I got 80psi, but I also added 5psi as a cushion..

I have not seen a more recent load table for Goodyear.
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Old 04-02-2013, 12:46 PM   #42
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Fairly common - but perhaps illegal - for people to put tyres on that have a different load rating than the alternatives normally shown on the placard or other manufacturer's documentation and if the load rating on the new tyre is substantially higher than the original, inflating to placard pressures might result in an unduly harsh ride.
Might be illegal if you went to a lower rated tire. Les Schwab refuses to do that BTW, they claim it's illegal under Federal Law.
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