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Old 06-06-2012, 06:50 PM   #15
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The weights seem pretty light. My oach is around 31000 pounds. It is 39.5 feet long. Are you sure? My front is over 10,000 pounds.


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Old 06-06-2012, 07:02 PM   #16
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Originally Posted by mgosselin View Post
I just had all 6 tires replaced on my 07 Discovery 39S. I replaced them with the same Goodyear 670 275/70R 22.5 Question is about tire pressure for front and rear. Below are the weights they gave me on my coach and I cannot find the correct PSI for some reason. I was at 3/4 water and only 1/4 gas at the time.


Just find your tires and weights in the Michelin North America RV Load & Inflation Tables Tires on the same axle have to be inflated to carry the weight on the heavier side.

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Old 06-06-2012, 07:51 PM   #17
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I am headed from So Cal to Phoenix on the 15th and will look up a CAT Scale on the way and have them weight it to double check.
Mike Gosselin
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Old 06-07-2012, 01:01 PM   #18
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Originally Posted by bigdomino View Post
My question is what air pressure are any of you that have these tires using? My front axle weighs about 11,000 pounds.

Any suggestions and feedback is much appreciated. My concern is the truck tire dealer will put in max air.

Weigh all your corners and refer to the attached. I run mine harder than specified as the Michelin's tend to have a smoother ride you won't notice it, and a little more air reduces tire flex and heat build up.
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File Type: pdf XZA2 ENERGY.pdf (41.9 KB, 12 views)

2006 Patriot Thunder C13 Allison 4000
2010 Ford Flex Ecoboost AWD
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