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Old 10-07-2008, 04:55 PM   #1
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Join Date: Jul 2008
Location: Forest Falls CA
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U-Bolt Foot Pounds

Does anyone know the spec on the rear E350 leaf spring ubolt nuts? (ft. lbs)

Any help would be greatly appreciated.

Dave and Yoshi [Ki6LBB]
2003 Baja Tan SMB EB50 V10 (SOLD in 2008)
2003 Baja Tan SMB EB DYO 7.3 Diesel

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Old 10-08-2008, 06:57 PM   #2
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I have that written down somewhere but I can't find it....I had Betts Springs add another leaf to my rear springs a couple of years ago and they told me to check the torque on these nuts a couple hundred miles after they installed the new springs. Give them a call and they should be able to tell you:

I hope that this helps.

'01 Ford EB50p Quigley 4WD
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Old 10-08-2008, 07:43 PM   #3
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If you make any changes to the rear springs, you definitely want to recheck the torque after a few hundred miles. There's ANOTHER hard lesson learned, this one on the Bronco.

SMB-less as of 02/04/2012. Our savings account is richer, but our adventures are poorer.
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Old 10-22-2008, 05:01 PM   #4
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Mine were made when I had the leafs reworked. I was given specific orders from the spring company to retorq them to 180 ft/lbs. These don't seem to be noticiably different from the ones that originally came with the SMB, so I'm guessing you'd be safe with 180.
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