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Old 03-29-2019, 07:10 PM   #1
ford35lh
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Default Spring shackle stud

Are these studs one piece ???
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Old 03-29-2019, 08:40 PM   #2
JSeery
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Default Re: Spring shackle stud

What do you mean by one piece? I wouldn't call them that, but not really clear what your referring to.
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Old 03-29-2019, 11:16 PM   #3
ford35lh
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Default Re: Spring shackle stud

Is the "STUD" one piece ???
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Old 03-29-2019, 11:19 PM   #4
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Default Re: Spring shackle stud

Yes, wouldn't be real good if it wasn't. If you think about it.

Last edited by Tinker; 03-29-2019 at 11:39 PM.
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Old 03-29-2019, 11:25 PM   #5
Phil Gillespie
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Default Re: Spring shackle stud

Quote:
Originally Posted by ford35lh View Post
Are these studs one piece ???


One piece in my thoughts, meaning stud is one piece threaded end to threaded end. The end plates and nuts to complete.
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Old 03-29-2019, 11:29 PM   #6
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Default Re: Spring shackle stud

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Nothing like the internet to get people that are impatience, rude, and "asking" questions

Last edited by Tinker; 03-29-2019 at 11:49 PM.
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Old 03-30-2019, 08:04 AM   #7
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Default Re: Spring shackle stud

Quote:
Originally Posted by ford35lh View Post
Are these studs one piece ???

To answer your question.Here it is dissected
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Old 03-30-2019, 08:34 AM   #8
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Default Re: Spring shackle stud

Quote:
Originally Posted by ford35lh View Post
Are these studs one piece ???
Looks like the #$$%%@ that I just removed in the King Pin thread, pics of one apart, the one I removed appears to have an asbestos packing in between the steel pin and brass bushing.
Here's mine eviscerated.

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Old 03-30-2019, 09:21 AM   #9
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Default Re: Spring shackle stud

No idea how you can call them one piece, must be a different definition than what I am familiar with. They are made of several pieces, a core, a center material and an outer shell. If you are referring to just the center core, it would be one piece end to end. Still not sure what the actual question is?
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Old 03-31-2019, 12:31 AM   #10
ford35lh
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Default Re: Spring shackle stud

""JSeery states:made of a core, a center material and an outer shell.""

The Ford parts book calls this; Stud- spring shackle

So,the outer shell is pressed into the spring or perch eye and the core
is captured by the shackle bar. The center material enables the core to
rotate slightly when the spring flexes.

Is that how it works ???
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Old 03-31-2019, 12:39 AM   #11
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Default Re: Spring shackle stud

Correct.
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Old 03-31-2019, 12:46 AM   #12
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Default Re: Spring shackle stud

Yes.Mine were shot .When I drove out the spring shackle stud (in my pic) that is what came out.I then drove out the outer shell with a banged up socket.The stud is or at least in my case ,was vulcanized.I replaced both sides with the ones Speedway sells.
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Old 03-31-2019, 09:34 AM   #13
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Default Re: Spring shackle stud

Originals are as described, the center part that turns is wrapped in what looks like asbestos webbing. The ends of the outer shell are crimped and the whole thing is installed as 1. I have done this using home made tools (in a lathe) but since have acquired a KRW tool to remove and replace these things. It is MUCH easier with the KRW tool but removing the old rusted ones can still be a battle. I usually run a brake hone in the bore before installing new shackle pins. You might throw them in the freezer overnight to help with the task of installing them if you don't have the KRW tool.

On my 40s, I notice that the 2 that hold the front sway bar does not have cotter pin holes like the ones for the springs and uses a special nut.
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Old 03-31-2019, 02:52 PM   #14
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Default Re: Spring shackle stud

Quote:
Originally Posted by ford35lh View Post
""JSeery states:made of a core, a center material and an outer shell.""

The Ford parts book calls this; Stud- spring shackle

So,the outer shell is pressed into the spring or perch eye and the core
is captured by the shackle bar. The center material enables the core to
rotate slightly when the spring flexes.

Is that how it works ???
Yes, that's pretty much how they work. In reality, the packing does not allow any rotation. If the stud rotated, the spring would not rebound as designed. Rather, the packing around the pin offers torsional resistance when the spring flexes. That torsional resistance offers the dampening effect upon the spring necessary in a properly built (restored) chassis.
Please be aware that many guys reduce the outer (shell) diameter to more easily install these pins. Doing so is akin to replacing a worn out "old" pin with a worn out "new" pin.
These pins were deigned to be oversize. As I recall, .003" - .004" was the specified "over size".
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Old 03-31-2019, 04:53 PM   #15
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Default Re: Spring shackle stud

When I disassemble my axles should I leave the shackle studs intact if they are tight ???
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Old 03-31-2019, 05:38 PM   #16
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Default Re: Spring shackle stud

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When I disassemble my axles should I leave the shackle studs intact if they are tight ???
I always replace them so I KNOW they are "perfect".

I suppose you could put a wrench over the flats of each stud and attempt to turn it. If the stud turns at all, the pin is worn out. And I mean with you really TRYING to turn it...
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Old 03-31-2019, 10:50 PM   #17
ford35lh
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Default Re: Spring shackle stud

Are older NOS replacements better than reproductions sold by Macs,Drake or Carpenter ???
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Old 03-31-2019, 10:59 PM   #18
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Default Re: Spring shackle stud

any thing nos is your best bet when you can find it. southside obsolete, and third gen auto is the places to ask
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Old 04-01-2019, 07:51 AM   #19
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Default Re: Spring shackle stud

Quote:
Originally Posted by ford35lh View Post
Are older NOS replacements better than reproductions sold by Macs,Drake or Carpenter ???
The repops are poopy. NOS and NORS are all over places like eBay.
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