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Old 09-16-2017, 07:59 AM   #1
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Need torque specs radius arms - 2014 e350...

Everyone-

I got a Weldtec lift kit for my 2003 E350. Jeremy was awesome to work with and I will certainly say that his ability to communicate is top notch and makes the buying process comfortable and awesome.

He went ahead and sent me the updated radius arms and mount brackets. I believe that these are similar to those on a 2014 E350. The way the rear of the radius arm mounts is totally different than my stock setup. The rear mounts with a bolt and nut that passes through left to right ve the rear like my stock setup is.

The question I have is two fold.

1) Torque specs on the radius arm bracket to frame. Three bolts...

2) Torque spec on the radius arm bolt that secures the radius arm to the mount bracket.

My rear radius arm torque is 98 ft lbs. Not sure if this is the same for the upgraded version.

I looked high and low and cannot find the specs. I would call Weldtec but it's Saturday and they are not in.

Any help would be greatly appreciated.
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Old 09-16-2017, 01:40 PM   #2
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Anyone? Please?
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Old 09-16-2017, 02:39 PM   #3
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These should do:

1) 80 ft/lbs.

2) 222 ft/lbs.

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Old 09-16-2017, 03:32 PM   #4
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Radius arm to that bracket is 222? That's the front vertical bolt. The bracket one isn't that grade. Are you sure?

The stick old style was 98...
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Old 09-16-2017, 03:39 PM   #5
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I am not sure, I just found it copied on some torque specs for a 4wd conversion. I would just get it as right as you can. Those bolts are huge


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Old 09-16-2017, 04:40 PM   #6
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The radius arm rearward nut should be torqued to 258lb-ft

The three top bolts just make as tight as you can as the manual I have doesnt say what those should be.
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Old 09-16-2017, 05:24 PM   #7
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When I did my front end I just paid attention to what it took to get off and then I put it back together a little tighter.
I also used 648 retaining compound on all the large bolts to ensure they wouldn't come off or vibrate loose.
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Old 09-16-2017, 05:36 PM   #8
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Quote:
Originally Posted by Jsweezy View Post
The radius arm rearward nut should be torqued to 258lb-ft

The three top bolts just make as tight as you can as the manual I have doesnt say what those should be.
I'm not doubting anyone but that radius bolt isn't bigger than the one that attaches the radius arm to the I-beam. I can't believe it would be a higher torque value than that one.
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Old 09-16-2017, 07:25 PM   #9
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Sorry for the shadows but here you go.
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20170916_182152.jpg   20170916_182321.jpg   20170916_182243.jpg  
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