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Need Torque Spec: Bolt / Screw

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Old Jan 4, 2026 | 06:51 PM
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Default Need Torque Spec: Bolt / Screw

Guys:
I can't find the torque spec for this bolt / screw. It's located down low in the right hand rear tire well. I thought it would be shown in the rear differential section of the factory assembly manual.



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Old Jan 4, 2026 | 07:57 PM
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AIM states 45-55 ft-lbs.
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Old Jan 4, 2026 | 08:21 PM
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Thanks y'all!
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Old Jan 4, 2026 | 09:01 PM
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Weight on the ground
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Old Jan 4, 2026 | 11:46 PM
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Old Jan 5, 2026 | 04:16 PM
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jigoe007

Purpose of "Weight on the ground" is to put trailing arm at ride height.

You can approximate trailing arm position of "weight on the ground" by placing a 9/16" socket (half-inch drive) set between trailing arm and frame pocket's end. (Socket is lying down)

This puts about a 1" lift to your trailing arm. (Frame pocket to trailing arm about 1 inch)

Above from Van Steel's suspension video.

Mapman
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Old Jan 5, 2026 | 09:17 PM
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Originally Posted by jigoe007
Guys:
I can't find the torque spec for this bolt / screw. It's located down low in the right hand rear tire well. I thought it would be shown in the rear differential section of the factory assembly manual.
In my 71 AIM the page you're looking for is 2 pages before the one you show. It's title is "Suspension Attaching Parts" and as LARS said, it's 45-55 lbs-ft.
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Old Jan 6, 2026 | 01:53 PM
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Thanks for all the info!
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Old Jan 11, 2026 | 10:18 PM
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I noticed today there are no shims around the trailing arms inside the frame! BTW this is a project car I picked up last summer. My car was made in Dec. '68 so it doesn't have the cotter pin holes to help retain the slotted shims. I really want to use the slotted ones but I'd have to drill holes for the cotter pin. I'll find out next weekend if I can fit the drill in there.
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