Better articulation for YJ - JeepForum.com

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post #1 of 20 Old 03-03-2013, 08:44 PM Thread Starter
BigWillyStyle
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Better articulation for YJ

I hav a 91 YJ Wrangler. It has a 3.5 leafspring lift by Superlift. Its the way i bought it. Took it out for the first time to try it out and articulation is poor to say the least. I used to have a 89 cherokee, and aside from a 3 inch Rough country lift, it was completley stock, but went EVERYWHERE. A small incline with a small rut stopped my YJ so I cant even contiplait on taking it where my cherokee went. I have seen the suggestions on taking the rear track bar, and adding quick disconnects for the sway, what about removing the bump stops??? Any ideas on this or anything else that will help articulation. I wont do a spring over.

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post #2 of 20 Old 03-03-2013, 08:50 PM
idskot
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Quote:
Originally Posted by BigWillyStyle View Post
I hav a 91 YJ Wrangler. It has a 3.5 leafspring lift by Superlift. Its the way i bought it. Took it out for the first time to try it out and articulation is poor to say the least. I used to have a 89 cherokee, and aside from a 3 inch Rough country lift, it was completley stock, but went EVERYWHERE. A small incline with a small rut stopped my YJ so I cant even contiplait on taking it where my cherokee went. I have seen the suggestions on taking the rear track bar, and adding quick disconnects for the sway, what about removing the bump stops??? Any ideas on this or anything else that will help articulation. I wont do a spring over.
Rear track bar removal and quick disconnects / removal of the front sway has helped a lot of people have more articulation.

Removing the bump stops would only work if the axle hits the bump stop before the tire is close to the fender.

I could be wrong, but I believe the bump stop is to disallow the tire from hitting the fender / flare.

However, your Cherokee is going to have better articulation, as it has front springs vs front leafs. My only other suggestion might be the leafs themselves not being able to flex enough.
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post #3 of 20 Old 03-03-2013, 09:14 PM
cstone94
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Check the shackle torque. Should be 45 ft/lbs

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post #4 of 20 Old 03-03-2013, 09:32 PM
GrouchyTim
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Don't know why you would discount spring over right off the bat. Any spring under leafs are going to suck at flexing by the sheer nature of the beast. Going SOA with stock springs makes it a flex monster that can go pretty much anywhere.

Do the stuff mentioned above and that's really all you're going to get without getting softer springs.

'88 YJ with SOA and SYE and a bunch of custom crap from BWF in Chesapeake.
'97 XJ on 8" lift, double triangulated rear, long arm 3 link front, Eaton/60 with 5.14 gears.
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post #5 of 20 Old 03-03-2013, 09:33 PM
cstone94
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Originally Posted by GrouchyTim View Post
Don't know why you would discount spring over right off the bat. Any spring under leafs are going to suck at flexing by the sheer nature of the beast. Going SOA with stock springs makes it a flex monster that can go pretty much anywhere.

Do the stuff mentioned above and that's really all you're going to get without getting softer springs.
It's also a $2500 job if done correctly.

95' YJ - Warn Bumpers/Tire Carrier/Winch - 2.5L - 6" Skyjacker Suspension Lift - 4.10's - Locrite Locker - Dana 35/30 - 35" BFGoodrich KM2's

11' F250 - DD

1982 Toyota Pick-Up - Spray-On Yellow Rhino Lined - Chevrolet 305 H.O. - SM465 - NP208C - All-Pro Off Road 5" Springs - 35x15.50x15 Super Swampers
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post #6 of 20 Old 03-03-2013, 09:37 PM
zte87
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My 3.5 sua leafs flex fine in my eyes??

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post #7 of 20 Old 03-03-2013, 09:48 PM
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A bit more info would definitely help. Have you put it on a ramp yet and maxed it out? Definitely best to identify what your constraints are before trying to game plan your next move.

How is your shock travel? What shackle setup are you running? How much bump stop?


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post #8 of 20 Old 03-03-2013, 09:49 PM
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I don't think my spring under has a problem either

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post #9 of 20 Old 03-03-2013, 09:50 PM
OKwranglerYJ
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3.5 lift flexes awesome.
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post #10 of 20 Old 03-03-2013, 09:55 PM
dillonjm
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x3:

3.5" springs SUA don't have any issues. Disconnect your sway bars at a MINIMUM. They inhibit suspension movement by design for on road performance. Trackbars are the next thing to go. While your under there make sure you haven't overtorqued your shackles to something ridiculous.

Doe these and report back, your results are going to be drastically different.

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post #11 of 20 Old 03-03-2013, 10:34 PM Thread Starter
BigWillyStyle
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Originally Posted by dillonjm View Post
x3:

3.5" springs SUA don't have any issues. Disconnect your sway bars at a MINIMUM. They inhibit suspension movement by design for on road performance. Trackbars are the next thing to go. While your under there make sure you haven't overtorqued your shackles to something ridiculous.

Doe these and report back, your results are going to be drastically different.
Will do, as I said I am new to this front leaf suspension, and the lift came with the Jeep, where do I start in finding out what the shackles are torqued to, and where is the adjustment.
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post #12 of 20 Old 03-03-2013, 11:11 PM
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Quote:
Originally Posted by BigWillyStyle

Will do, as I said I am new to this front leaf suspension, and the lift came with the Jeep, where do I start in finding out what the shackles are torqued to, and where is the adjustment.
Just back the shackles bolts back then torque them down to desired torque!

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post #13 of 20 Old 03-03-2013, 11:23 PM
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Quote:
Originally Posted by BigWillyStyle View Post

Will do, as I said I am new to this front leaf suspension, and the lift came with the Jeep, where do I start in finding out what the shackles are torqued to, and where is the adjustment.
Have a read through the YJ FAQ under the stickies, there's a comprehensive list of torque specs for your rig as well as lots of other good info.


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post #14 of 20 Old 03-03-2013, 11:33 PM
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It's definitely not the leafs.



No tracks no sways with some stiff *** bastard packs.


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post #15 of 20 Old 03-04-2013, 05:40 AM
prosneek
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Take off the front and rear track bars if you havent already. They are not needed for a leaf spring vehicle. Also disconnect the front sway bar to get more flex. The new springs are just that, new and stiff. They are not as worn as the old ones and not as flexable.

Just rollin' down the road, smashing one import at a time.
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