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Unread 04-25-2012, 10:31 PM   #1
gregv
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2000 FSJ Cherokee 
 
Join Date: Jan 2012
Location: Vancouver, BC
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ZJ V8 front sway bar swap? Advice on bigger rear?

hello all

looking to beef up the sway bars on my 2000 XJ (haven't measured the existing ones yet, but the front is quite soft), and thought I'd read somewhere that a '93-'98 V8 Grand Cherokee front sway bar will bolt right up as long as the mounts & bushings from it are used. Is this correct? If so will the sway bar end links from the stock XJ bar work? And is there any specific year of ZJ that is better than others? What size is the V8 ZJ bar?

Also looking to increase the rear size a bit, any recommendations? Or is this a bad idea?

My XJ is stock ride height btw with the 4.0 I6 and 235/15's on stock alloy rims.

any info appreciated!

greg v.

P.S. sorry if this has been covered before, for some reason I don't seem to be able to get this forum's search function to work very well

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Unread 04-25-2012, 10:48 PM   #2
foggybottombob
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I always thought a bigger sway bar would be something you needed for road racing but why would you want that on an XJ?
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Unread 04-25-2012, 10:53 PM   #3
gregv
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Short answer: better street manners & highway control. I'd like to get rid of as much of the slop in my 100,000 mile XJ's suspension as I can, and besides a complete (stock) suspension rebuild I'd like to do some mild upgrades as well, mainly in the area of the sway bars. Thicker bars should tighten up the roll factor as well as a bit of the dive on braking. Given that my Jeep is mostly street driven with only limited & mild off-road excursions I think a sway bar upgrade would give me some of the benefits I'm after.

gv

edit: further research shows that the V8 ZJ bar is apparently 28mm, and that some XJ's also came with that size as opposed to the 25mm. And Addco makes 1 1/8" front and 7/8" rear sway bars, which seem nice....but I'd like to keep the price down if I can.
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Unread 04-26-2012, 03:41 AM   #4
Timo_90xj
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Quote:
Originally Posted by gregv View Post
Thicker bars should tighten up the roll factor as well as a bit of the dive on braking. Given that my Jeep is mostly street driven with only limited & mild off-road excursions I think a sway bar upgrade would give me some of the benefits I'm after.

gv

edit: further research shows that the V8 ZJ bar is apparently 28mm, and that some XJ's also came with that size as opposed to the 25mm. And Addco makes 1 1/8" front and 7/8" rear sway bars, which seem nice....but I'd like to keep the price down if I can.
Sway bars do not control brake dive at all, they only work on side-to-side loads.

Both of my XJs have had the thicker 28mm sway bars up front, looking at my ZJ 5.9 sawybar it looks like it's a little thicker than that.. not 100% sure though. For the rear, both XJ and ZJ swaybars seem to be more of a joke than anything else. I haven't looked into it, but could be that with suitable adapter plates one could use ie. the thinner XJ front sway bar. Certainly needs some DIY brackets and some head- scratching, but that could work?

I completely understand the need for good sway bars for street use. If you're going to wheel it in any kind of uneven terrain, I highly suggest swaybar discos. Makes the ride a lot more comfy and keeps you getting somewhere instead of getting stuck at the smallest boulders
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1990 XJ Limited (4-door), 4.0 I6, AW4, NP242, ***rolled and totalled @ 165k miles***

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1990 XJ (4-door), 4.0 I6, AW4, NP242, PBR 42" tires, Unimog 404 portal axles, 110" WB, full cage + uniframe completely rebuilt, front 3-link + panhard / double triangulated 4-link rear,... ***SOLD***
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