Another YJ rear stretch Shackle hanger placement question... - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 01-27-2012, 08:33 PM   #1 (permalink)
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Another YJ rear stretch Shackle hanger placement question...

I am going to stretch my Yj in the moring with XJ springs...

Im currently running RE 1.5" springs front and back...It looks like my rear bumper combined with the ruff stuff way back hangers moves the bushing too far back to get a proper shackle angle..So, Im thinking about mounting the shackle under the bumper and using a "mini shackle".....

Im wondering if there is any issue with hanging the shackle under the bumper....Im trying to keep from having the "stink bug" look..It looks like it makes the shackle angle over 45* with it mounted under the bumper, will this make the jeep ride too "soft"?...I still plan to keep my YJ street legal, so I still want the ride quality I have now...Also, Im wondering if the shackle under the frame will lift the my YJ enough so that the front (front RE 1.5" springs) and rear (on the stock XJ springs) and still be close to level?

This is how Im thinking of placing the shackle, but it looks like the shackle is at a poor angle, but I could be wrong...



For the shackle, Im thinking of doing something around this size...


Here is a picture of my YJ with the bumper im refering to:

Last edited by RGRHASH; 01-27-2012 at 10:34 PM.
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Old 01-28-2012, 08:06 AM   #2 (permalink)
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There's nothing wrong with the position of the shackle hanger on the Jeep in the top two pics, but you're right that they are far too flat and that jeep is giving up some wheel travel. Just make sure whatever you're hanging the shackles from is securely welded to the frame. (The stock rear crossmember is not nearly strong enough.)

The length of shackle in the third pic is fine (those Conn-Ferr shackles are pure beef too...highly recommended if you can still find them).

The shackle angle you have currently looks great, so if you could duplicate that with the new spring, you'll be golden.

Not having tried it myself, it's hard to say if your jeep will still be level afterward with the spring combination you're proposing, but I'm sure there must be SOMEbody out there who is running it and hopefully they will chime in. In any case, it would probably help them to know if you're talking about the the RE Extreme Duty or regular 1.5" lift.


HTH,
Jake
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Old 01-28-2012, 01:40 PM   #3 (permalink)
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Also consider that with long flat springs that your are going to want your shackle angle more like the first two pictures. I would think that your current angle will be to close to vertical for XJ springs to reach full droop. And the shorter shackle will only make that worse.
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Old 01-28-2012, 03:35 PM   #4 (permalink)
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I wouldn't just weld that to the bumper unless your bumper is attached in some other way besides just bolts.

I'm planning on doing the rear stretch as well, but there's no way I'd use the factory crossmember or a bumper that was just bolted to the stock rear crossmember.
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Old 01-29-2012, 07:04 PM   #5 (permalink)
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Well, we got the stretch done yesterday...I added the second main leaf and turned it around backwards ( like tomb raiders build)...I was able to get the springs mounted under the bumper and re-used my boomerang shackles...The shackle angle is pretty dang close to what I had with the rear 1.5" RE springs..>Im not sur if they were the HD versions or not, they were the 4404's or whatever the number is...I guess Ill have to redo it at some timeto make it a little stronger if the bumper comes off, I didnt realise that the stock crossmember was so week..I welded the perches to the frame and to the bottom of the bumper, since the mount was postioned 1/2 on one and 1/2 on the other....I'll see how this setup works, and if I tear it off, Ill just redo it all again with a new crossmember and weld the bumper to the new crossmember...Ill get a pic posted up so you guys can critique it...

Thanks for the suggestions and help!

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Old 02-15-2012, 09:59 AM   #6 (permalink)
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did you get a pic of what it looks like now? I have a rear stretch in my short term plans this year and am curious how this turned out. And what was the final measurement.
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Old 02-19-2012, 08:47 PM   #7 (permalink)
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Best I have at the moment..I welded the hanger off the frame and bumper..If it tears off Ill redo it, it was just a quick fix to get it done...

At ride height it is damn near level (the rear maybe about .75" higher, but Im sure it will settle later)..RE 1.5" springs in the front, and stock XJ's with an extra main leaf in the rear...

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Old 02-19-2012, 10:20 PM   #8 (permalink)
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I cut off the rear crossmember and replaced it with 1/4" thick 4x4 angle. I then welded ruffstuff shackle hangers onto the crossmember.
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Old 05-30-2012, 03:37 PM   #9 (permalink)
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What you think?

TO keep from making a new thread, im just going to post here. I got a wild hair to stretch my jeep on my day off monday after a weekend of wheelin. What do you think of the shackle angle with full weight of the jeep on the spings before I burn them in? Im looking for good off-road preformance as well as on road! Thanks Guys



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Old 05-30-2012, 04:11 PM   #10 (permalink)
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hard to tell since we cant see the arch of your leafs... but that looks like a relatively good angle for a fairly flat spring.

ps. your missing a lugnut
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Old 05-31-2012, 05:40 AM   #11 (permalink)
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Chris here is a pic of the leafs? THanks
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Old 05-31-2012, 05:01 PM   #12 (permalink)
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Lawson that looks good to me. I would run it. I was gonna reccomed cross tieing the shackles but looks like you already did
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Old 05-31-2012, 05:31 PM   #13 (permalink)
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thank you sir
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