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Old 11-01-2014, 07:47 PM   #715
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Heh. I use a torque wrench set to 110, because that's what my manual, stickers, etc. all say.

I just got a fresh set of 24 nice tough shiny lug nuts from McGard to replace those silly thin-skinned nuts that came on my Airstream.

So, tomorrow I'll be a busy fella, just me and my torque wrench, playing with my (lug) nuts. If anybody wants a relatively pristine set of 24 genuine AS thin-skinned lug nuts, PM me. I hate to toss them, but otherwise that's what'll probably happen once I get them off the trailer.
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Old 11-01-2014, 07:56 PM   #716
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If you are buying replacement wheels, the Airstream manual does apply. I just bought 16's at Jackson Center and the specs for that wheel are 125 lbs.
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Old 11-01-2014, 07:57 PM   #717
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Good catch, thanks. I'm still running those deadlier than Ebola 15" wheels, so in my case 110 is the number.
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Old 11-02-2014, 06:56 AM   #718
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If you are buying replacement wheels, the Airstream manual does apply. I just bought 16's at Jackson Center and the specs for that wheel are 125 lbs.
I got my 16-inch wheels at JC in May. They told me the torque specs for the wheels were between 125 and 135 ft-lbs. Bob, the tech suggested 130 ft-lbs inasmuch as I also had the Centramatics installed.
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Old 11-02-2014, 07:41 AM   #719
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This is the first post I have seen that indicated yu need more torque with the Centramatics. Is that true?
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Old 11-02-2014, 08:32 AM   #720
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Wow! 130 ft-lbs is a bunch higher than the 110 that I was kind of planning on. I will call Centramatic and Performance Plus Tire tomorrow and see what they say about torque values.

Brian
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Old 11-02-2014, 09:24 AM   #721
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I think Airforums needs a Fact Thread.

An easy-to-find place containing hard data after all the discussion and conjecture has ended. Not just for inflation/torque, any subject.
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Old 11-02-2014, 09:44 AM   #722
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I think Airforums needs a Fact Thread.

An easy-to-find place containing hard data after all the discussion and conjecture has ended. Not just for inflation/torque, any subject.
I'm pretty sure that would not work. There are too many people both on and off Airforums who truly believe their opinions to be absolute fact. It might, though I doubt it, at least serve to confine those arguments based on determining whose erroneous opinion is actually to be regarded as fact to that one "fact definition thread".

So, Grasshopper, if you search for the truth, you must find it within. (in other words find it yourself in those places you believe it to reside. Its likely that's not here.)

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Old 11-02-2014, 09:52 AM   #723
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Ken, in the case in point, Brian is planning to phone manufacturers/suppliers tomorrow for data; these results would qualify as hard facts. Particularly important on issues directly related to safety.

Too bad that the forum search function doesn't work a little better. Finding the verified information is difficult.

That said, there's always the option of jotting the important data in the back of our manuals...

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Old 11-02-2014, 10:31 AM   #724
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Ken, in the case in point, Brian is planning to phone manufacturers/suppliers tomorrow for data; these results would qualify as hard facts. Particularly important on issues directly related to safety.

Too bad that the forum search function doesn't work a little better. Finding the verified information is difficult.

That said, there's always the option of writing these things down in the back of our manuals...

Grasshopper out!!
Have you tried the second window in the search function, the google search?
It works much better than the built in forum search.

Is Brian going to call every manufacturer and supplier? If he does, I am sure he will get different answers from different sources. There are so many variables to be considered in determining tire pressure and even lug nut torque, that in the end you will have to choose which you wish to follow. and the check often and adjust as necessary. Tire pressure variables and opinions have been mentioned many times in many threads. Lug nut torque depends on lug nut design, wheel design, drum design, and what's between the wheel and drum, for instance centramatics, and probably even other factors I haven't thought about. That's just the ones that pop into mind.

The problem with looking for the absolute best answer is, in my opinion, it encourages complacency. Things do not get checked often enough, because they're perfect to start with. That is why I would recommend finding an acceptable starting point and then checking often and adjusting until you find a setting that works in most situations. In my mind this applies to both lug nut torque and tire pressure.

I set my lug nuts to 115# and have not had a problem. (I can't tell you now where the figure came from initially). Obviously too tight can cause component failure and too loose can allow them to loosen on their own. At first I checked mine every time I stopped during a day. Now I am comfortable that they won't loosen, I check them before each leg of a journey and visually inspect them at every stop, as I do the rest of the TV and TT. . My current setup is Sendel T03 wheels, 16 inch Michelin LTXs and the Airstream specific Centramatics. I have yet to have a lug nut loosen or a wheel crack.

Ken


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Old 11-02-2014, 10:43 AM   #725
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Now that we have the pressure thing settled , lets get on to torque value for the lug nuts on the new wheels. The Airstream Manual says a max of 110 foot lbs. What say you all?

Brian
And set torque with solvent cleaned threads or with a small amount of lube ... the torque value will vary by up to 30 pound ft....
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Old 11-02-2014, 10:58 AM   #726
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JC told me 125-130 ft lb when I bought my 16s.


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Old 11-02-2014, 11:20 AM   #727
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JC told me 125-130 ft lb when I bought my 16s.


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In Mexico, they tighten those lug nuts until they are tight, and then add two more turns.

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Old 11-02-2014, 11:59 AM   #728
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16" wheels/LT tires

Thanks Wayne & Sam!

I would also very much appreciate hearing what Brian learns. When I finally go to 16" wheels I'll likely follow his path, making our use cases pretty much the same. I don't need info from every vendor and manufacturer to appreciate this useful bit of data.


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