My front shackle inverted while offroading - JeepForum.com

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post #1 of 21 Old 09-23-2013, 09:21 PM Thread Starter
newfish1
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My front shackle inverted while offroading

New to Jeeping, and looking for input:

Front (tow) shackles are basically perpendicular to the ground. In my uneducated mind, the lower end of the shackle should extend further (away from the jeep, towards the front) than the upper, thereby preventing inversion.
Maybe I need longer main leafs?

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Last edited by newfish1; 09-24-2013 at 07:38 AM.
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post #2 of 21 Old 09-23-2013, 09:28 PM
Norcal_chris
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Turn the shackles around so the triangle is facing the rear of the jeep. Move the crosstie to the tip of the triangle if you dont have an extra bolt/sleeve. This will stop the inversion as it will hit the frame and stop it. Use them like a boomerang shackle, since that is basically what that is

Ruined a perfectly good jeep.


OCT '13 & OCT '14 YJOTM 2014 YJOTY
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post #3 of 21 Old 09-23-2013, 09:45 PM
timatoe
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I'm not sure what your question is. Those shackles are designed that way to hook a tow bar to them. Are you getting inversion?

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post #4 of 21 Old 09-23-2013, 11:34 PM
fratis
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This is a common problem with aftermarket springs. If it were mine I'd slide the front mount backwards. To eliminate the inversion and keep the shackles you have you can weld a small triangle of 1/4" steel to the frame mount as a stopper.

-insert meaningless out-of-place political diatribe-
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post #5 of 21 Old 09-24-2013, 07:37 AM Thread Starter
newfish1
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Thanks for the input. I like the idea of welding a stopper, as reversing the shackles would inhibit the ability to connect a tow bar from the center of the shackle.
@Timatoe, What I meant was- if there was a way to modify the springs or get a longer main leaf, this would theoretically force the front shackles to hang at approx. a 15 degree angle, with the bottom end protruding out, away from the front of the vehicle.
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post #6 of 21 Old 09-24-2013, 11:56 AM
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If you went with a longer leaf then on compression you would force the tow point of the triangle up into the frame/bumper and force the spring to S curve....bad juju

Best bet would be the stopper. It wouldn't even have to be that herky since the only force on it would be the axlle droop wieght.
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post #7 of 21 Old 09-24-2013, 12:00 PM
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I bet you could market a "anti inversion tow shackle" basically instead of a triangle that you have now it would be square plates the front would connect to the tow like now and the back would act as a stop on the frame to prevent inversion

If you make millions I want a new old jeep for my idea
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post #8 of 21 Old 09-24-2013, 01:18 PM Thread Starter
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That's a great idea. All of it…
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post #9 of 21 Old 03-12-2014, 08:51 PM Thread Starter
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Found what seems like a GREAT shop in Escondido, CA. Old school machinist and knows a LOT about leaf spring suspensions. There was already a red YJ in his shop- doing an SOA conversion with custom springs (must've been a 10 [thin leaf] pack; I didn't count) and double shackles. HUGE lift (way too much for my comfort). But whatever- The guy knows his stuff and was very helpful. Gave me a tour of his shop and his passion for the craft was obvious.
Wish i could afford an SOA conversion. What he's going to do for me to eliminate the shackle inversion is move the shackle mount points back, add shims (I know that isn't the right term) between a couple of the leafs, and buttons on leaf #3, as there currently aren't any. I didn't take "before" pics but will share the "after" pics when I get it back. You can see my current shackle position in the first post on this thread.
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post #10 of 21 Old 03-12-2014, 10:41 PM
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Quote:
Originally Posted by newfish1 View Post
Found what seems like a GREAT shop in Escondido, CA. Old school machinist and knows a LOT about leaf spring suspensions. There was already a red YJ in his shop- doing an SOA conversion with custom springs (must've been a 10 [thin leaf] pack; I didn't count) and double shackles. HUGE lift (way too much for my comfort). But whatever- The guy knows his stuff and was very helpful. Gave me a tour of his shop and his passion for the craft was obvious.
Wish i could afford an SOA conversion. What he's going to do for me to eliminate the shackle inversion is move the shackle mount points back, add shims (I know that isn't the right term) between a couple of the leafs, and buttons on leaf #3, as there currently aren't any. I didn't take "before" pics but will share the "after" pics when I get it back. You can see my current shackle position in the first post on this thread.
A good amount of travel will come fron relocating the shackle mount a little back. You will be pleased.


But LOL at the "knows a lot about leaf suspension" and "double shackle" in the same sentence

Ruined a perfectly good jeep.


OCT '13 & OCT '14 YJOTM 2014 YJOTY
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post #11 of 21 Old 03-13-2014, 05:48 AM Thread Starter
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?? It wasn't.
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post #12 of 21 Old 03-13-2014, 09:04 AM
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What kind of 5in lift do you have?

Waiting on my Rough Country lift to sag!
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post #13 of 21 Old 03-13-2014, 09:25 AM Thread Starter
newfish1
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I'm still new to this, and have owned this jeep for approx. 10 months. I THINK it's a 4" lift from the springs, and 1" from the taller shackles.
BTW, in my earlier post, when I used the term "double shackles"- I believe the proper term is "drop shackles".
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post #14 of 21 Old 03-13-2014, 09:32 AM
bpounds
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I don't know why you would want to modify your frame mounts. It'll then be screwed up for any off the shelf springs. Your problem is with those mystery springs. I suggest you leave the frame alone and pick up some quality springs from a respected manufacturer. In fact, I insist you do that!

Bill
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post #15 of 21 Old 03-13-2014, 10:43 AM
Norcal_chris
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Quote:
Originally Posted by bpounds View Post
I don't know why you would want to modify your frame mounts. It'll then be screwed up for any off the shelf springs. Your problem is with those mystery springs. I suggest you leave the frame alone and pick up some quality springs from a respected manufacturer. In fact, I insist you do that!


When I had 4.5 RE extreme duty springs I moved my shackle hangar. It made a huge difference for the better

Ruined a perfectly good jeep.


OCT '13 & OCT '14 YJOTM 2014 YJOTY
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