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Old 09-07-2015, 02:18 PM   #99
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2002 30' Classic S/O
Melbourne Beach , Florida
Join Date: Nov 2013
Posts: 1,481
Originally Posted by Pat Cassity View Post
My 16" tires and wheels are in will be installed in the next few weeks. I have also purchased the TST monitoring system and Centramatic balancers. I have another question about air pressure. If the tires are inflated to 80 psi when cold, and the pressure increases (or decreases ) after a few hours on the road due to temperature fluctuations, should the air pressure be adjusted? I checked my pressure before my last trip and the pressure in each tire had dropped from 65 to 57-60 in each tire. I added air before my trip to bring each tire back to 65 psi. After about 2 hrs on the road, I checked the pressure again and each tire had over 70 psi. All thoughts are appreciated.

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The inflation pressure on the sidewall is the maximum COLD inflation pressure. You do not need to reduce it for temperature increases when running. "Cold" means no running, no sun, for 2 hours or more.

If you go to a substantially higher altitude it may read higher when cold as the gauge reads the difference between the tire pressure and the atmosphere. If it reads high when cold at altitude, you should reduce it.

IMHO, YMMV, etc.



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2002 Classic 30 Slideout
2001 Safari 25 RB Twin (Gone, but not forgotten)
2013 Dodge 2500 Laramie 4x4 Megacab Cummins
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Old 09-07-2015, 02:36 PM   #100
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2014 30' Classic
2015 23' International
2013 25' FB International
Apache Junction , Arizona
Join Date: Sep 2012
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The SenDel site wheel specifications area was operational today. See the attachment.

We used the SenDel T03-56545BM wheel on the 2015 23D International Serenity to replace the OEM 14" GYM ST215/75R14C tires rated 1,870 pounds @ 50 psi mounted on the factory stock 14" wheels.

We installed the Michelin LTX (P) 235/75R15 XL tires which are sidewall rated 2,183 pounds @ 50 psi, but must be derated to 1,985 pounds for trailer use. (See 49 CFR 571.110 for the derating details) We run 44 psi per the CanAm pressure suggestion which is the same pressure we used with this tire when I installed them on our 2013 25FB International Serenity that had a GVW of 7,300 pounds versus the 23D GVW of 6,000 pounds.

Mechanically on the 23D, we had to trim the metal on the front curb side wheel well opening to be about " away from the plastic wheel well which is the opening setback from the wheel well on the street side of the trailer. The opening was 3" set back.

Our 16" Classic wheel and tire conversion used the T03-66655T wheel which is the model Airstream installed on the Eddie Bauer and installs on the 2015 and later Classic. This wheel plus the Michelin LT225/75R16/E LTX M/S2 tires are for sale at the Jackson Center customer service store as replacements for most 15" tire and wheel applications.

Note that the 14" Airstream wheel hub was used in the 15" SenDel wheel as they both had the same 3.19" center bore. The factory 15" wheel hub was used on the 16" SenDel wheel as they both had the same 4.50" center bore.
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TV - 2012 Dodge 2500 4x4 Cummins HO, automatic, Centramatics, Kelderman level ride airbag suspension, bed shell

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Old 09-12-2015, 09:17 AM   #101
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2016 30' Flying Cloud
Oviedo , Florida
Join Date: Jan 2005
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A little FYI on the Michelin LTX MS2 tires ...

Michelin is apparently transitioning their tire lines, and there appears to be a long term plan to replace the current light truck tire models (including the LTX MS2) with the new Defender LTX model. However, dealers are telling customers that the LTX MS2 is discontinued (per their Michelin reps) and may have trouble getting current dated tires.

Given that there is no LT225/75R16E in the Defender line at this point, I called Michelin (twice). Both reps I spoke with said that while some sizes of the LTX MS2 have been discontinued or are about to be in November, the 225/75/16 size is still in production and there is no plan to discontinue it "any time soon".

I suspect the sales reps are telling dealers the entire line is discontinued based on the long term strategy communicated to them by Marketing, but the reality is it a very long term transition and the tire we all love and use for our trailers is still in production.

My local dealer tried to sell me 4 tires that were over 1 year old. When I said that was unacceptable, he gave me the discontinued line but said he would order 4 more from the warehouse. The 4 that came in all had date codes of June/July of 2015, which is about as good as I would expect to get.

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2016 30' Flying Cloud
2016 Ram 2500 diesel
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