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Old 03-21-2011, 11:37 AM   #1
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YJ Shackle Lift

Hi all. I am contemplating putting a 1 1/4" shackle lift on my 94 YJ. I have a couple of questions. First, I've seen that some people have issues with reverse after doing this. Is this a common problem?

The other question is would I need to shim the front or back portion of the leaf springs, or both? Thanks.

This is what I'm looking to put in:

Warrior Shackle Kits for Wrangler YJ

Leaf Spring Shims by Warrior for Jeep CJ5, CJ7, CJ8, Cherokee XJ, Wrangler YJ

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Old 03-21-2011, 12:12 PM   #2
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The shackle lift by itself should not be an issues for driveline bind or gear selection that I know of. I also don't think you will need the shims. But each jeep is different.

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Old 03-21-2011, 12:34 PM   #3
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Thanks 4Jeepn. I had heard in the past people were having issues with their pinion angles.
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Old 03-21-2011, 12:37 PM   #4
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Thanks 4Jeepn. I had heard in the past people were having issues with their pinion angles.
Again, I can't 100% rule out you might not have some minor issue, but that's not a ton of lift. You might want to get a few washers if you need to drop the t-case down a bit if you get some vibs. I would install it 1st, see how it is then go from there. No point in spending money before you have to.
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Old 03-21-2011, 12:47 PM   #5
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@ackdaddy. If your leaf springs are worn, the shackle lift won't hardly do anything but flatten out the springs. I would invest in a 2.5" lift if you want to raise your jeep. That way, you will have new springs.
I bought the HD 1" shackles from PORC and it did not raise my YJ at all. Once I put a 2.5" lift on, the shackles gave me a true 1". Just my 2 cents.
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Old 03-21-2011, 03:11 PM   #6
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I was looking into putting on warrior shackles too. i have a 3.5" suspension lift on it already. would i need to get anything else if i were to replace the shackles? my brake lines look like they have enough slack but i have heard that i might need a slipyoke eliminator
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Old 03-22-2011, 07:06 AM   #7
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I was looking into putting on warrior shackles too. i have a 3.5" suspension lift on it already. would i need to get anything else if i were to replace the shackles? my brake lines look like they have enough slack but i have heard that i might need a slipyoke eliminator
It's really hard to say what you will need until you install and drive it. Every Jeep is different when it is lifted and they all have their own sweet spots in their drive lines. Don't spend money unless you HAVE to.
Shackles have such a wide range of lift (0.25 - 1.50") depending on the brand and type. Me personally, I would go ahead and buy brake line extensions since you already have a 3.5" lift.
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Old 03-22-2011, 08:03 AM   #8
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Thanks guys for all the feedback. I'm probably gonna go ahead and buy the 2.5" lift kit then which will accomodate 31" tires. Would anything else be needed on top of the stock kits that you see online?
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Old 03-22-2011, 11:37 AM   #9
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Thanks guys for all the feedback. I'm probably gonna go ahead and buy the 2.5" lift kit then which will accomodate 31" tires. Would anything else be needed on top of the stock kits that you see online?
Well, you may need a transfer case lowering kit. Those run about $49 or you can just buy about 18-24 grade 8 washers (or 1 inch pieces of metal/pipe tubing with longer 9/16 bolts (about 4"). That way you can "play" with the amount of drop.
I noticed that the RC 2.5" and the RC 4" YJ lift kits are almost the exact same price. The 4" comes with brake line extensions and the tranny drop kit. I wish they would include those in the 2.5" kit.
This is what my RC 2.5" YJ lift kits looks like with a 1" shackle lift on 31" tires (wheels have 3.75 BS):


Also, be ready to have to cut bolts out of the inner leaf spring mounts. YJs are notorious for having fused bushings. If you are doing this kit by yourself, I suggest at least one friend, a torch, a metal recirculating saw, 2 floor jacks, 4 jack stands, air wrench....and some patience
Otherwise pay someone to do it. You shouldn't have to pay more than $70 per corner + alignment. Just my thoughts.
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Old 03-22-2011, 11:48 AM   #10
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+1 on above plus a heavy duty air hammer with a round head if it's DIY.

I didn't have issues with alignment. However you'll have to adjust your steering wheel back to the center position.

Being normal is just crazy!
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Old 03-22-2011, 02:57 PM   #11
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Yeah, I just spoke to a guy who has a shop near my house that I've heard people rave about. He said to put in the lift kit and swap in a Ford 8.8 axle it would be about $500 for labor - rear discs baby. I'm contemplating doing it. But that'll take some dough away from my tire budget...
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Old 03-22-2011, 03:03 PM   #12
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Do the related items all at ones. Wheels you can change any time but take the rear end apart for the second time ... You get the idea
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Old 03-22-2011, 03:12 PM   #13
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Cool thx guys. Any of you guys run BDS? This is what I'm thinking of going with:

1987-1995 Jeep Wrangler YJ2" lift kit 408H | BDS Suspension
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Old 03-22-2011, 05:49 PM   #14
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Cool thx guys. Any of you guys run BDS? This is what I'm thinking of going with:

1987-1995 Jeep Wrangler YJ2" lift kit 408H | BDS Suspension
BDS is a great brand but a little overpriced IMHO. I had a BDS lift on my TJ and it was decent but not worth the price. I've only had RC, Teraflex, Black Diamond, and Skyjacker on my YJs. Stay away from Skyjacker (they leave out kit parts) and Black Diamond (shocks are useless).
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Old 03-23-2011, 06:14 AM   #15
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Thx nursebuck. The Rough Country kits are extremely appealing because of the price point - with the new steering stabilizer, shock boots, new bolt springs and shackles w/ bushings you're talking <$700. That's crazy, the BDS kit I was looking at starts at ~$750 before anything else is added.

The only thing is I've heard that some of Rough Country's stuff is not dependable and can wear over time causing the lift to drop unproportionately. How long have you/did you have your RC kit for and did you notice any issues with it?
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Old 03-23-2011, 06:59 AM   #16
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I've never had issues with any RC product. I have seen leaf springs fail or flatten with just about every kit out there. However, the ones I have seen usually had a reason for failure (abuse, overweighting, etc.). If you are getting a lift kit to use as a DD or just to do occasional off-roading, you should be fine with any kit you buy. Remember that any piece of leaf spring metal will flatten over time. It's no different than a tire or shock wearing out. When I bought my last YJ project in January, the leaf springs were flat. Mainly, because the previous owner had put a 3" shackle lift (abuse) on it and it had over 200K miles (normal wear) on it. Here is a pic of when I brought it home:
See how flat the springs are with those "fang" shackles? I still laugh at this picture. The springs actually bounced back after the shackles were removed. However, they could not hold the weight of the Jeep with a sustained arch.
BTW, RC offers a lifetime warranty on any defective product:
Rough Country Warranty Information
Not sure what other companies offer.
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Old 03-23-2011, 07:04 AM   #17
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See how flat the springs are with those "fang" shackles? I still laugh at this picture. The springs actually bounced back after the shackles were removed. However, they could not hold the weight of the Jeep with a sustained arch.
BTW, RC offers a lifetime warranty on any defective product:
Rough Country Warranty Information
Not sure what other companies offer.
Lol, yeah those are ridiculous. I'm going to go with the Rough Country as I'll only be wheeling a couple times a month at most and I won't be using it as a daily driver, but rather to cruise on the weekends or warm summer nights. Thanks for all of th input guys, much appreciated.

I'm sure I'll start a new thread when I get to the install!
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Old 03-23-2011, 07:38 AM   #18
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The only thing is I've heard that some of Rough Country's stuff is not dependable and can wear over time causing the lift to drop unproportionately. How long have you/did you have your RC kit for and did you notice any issues with it?
But their customer support is good

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Old 03-23-2011, 08:03 AM   #19
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Alright, so I though I was done, but just one more question. Should I buy shackles that will give an increase in lift? RC has 1" boomerang shackles on their site; or should I just let the kit do the lifting? Thanks again.
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Old 03-23-2011, 08:55 AM   #20
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Just ordered the RC 2.5" Lift. Sweet.
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Old 03-23-2011, 11:29 AM   #21
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Alright, so I though I was done, but just one more question. Should I buy shackles that will give an increase in lift? RC has 1" boomerang shackles on their site; or should I just let the kit do the lifting? Thanks again.
You can always go back later and add the lift or boomerang shackles. It doesn't take long to change those out. Plus, you can see how much lift you get out of the RC kit first, and then decide if you want a little more lift.
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Old 03-23-2011, 11:53 AM   #22
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my 2 1/2 in rc lift actually gave me over 5 inches of lift, talked to rc monday and the rep said thats not unheard of...also have a 1 1/2 in shackles on her
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Old 03-24-2011, 07:41 AM   #23
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Nice, looking forward to it; should be here Monday and I'll probably do the install next weekend. I'm going to keep the current shackles for now, although I am going to replace the bushings while I'm in the midst of everything.

Just a heads up, and not sure if this is somewhat of a Faux Pas, but I wanted to let you know that if you call RC to order your kit and tell them you are a JeepForum member they give you 10% off the order. Just wanted to share, since that ended up saving me like $60.

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