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Unread 10-01-2013, 01:11 PM   #1
ckzj
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1994 ZJ 
 
Join Date: Jul 2013
Location: middlefield, ct
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ZJ Build

Hi all,

'94 ZJ Laredo

Its stock configuration was as follows:

D30 low pinion, D35 3.55 gears open diff, np231, 4.0l and a factory installed AX-15

I have done the following:

ARB Bull Bar / Winch type

New Class 1 jasper 4.0, Borla header, Hi flow cat, small turbo muffler, custom bent SS Exhaust

Rebuilt Jasper AX-15

Rebuilt the np231 and installed SYE

New custom Driveshafts

New Clutch master/slave assy, New OEM clutch and cover, New flywheel, New bell housing, lever, t.o.b. etc. New Pilot Bearing

New trans mount and engine mounts

New brakes in the rear (Drum type) Wheel cyls and all the bits, new brake lines, extended brake lines everywhere

Rough country 4" Long arm kit

Now on to what's in the queue:
I've ordered 4.88 gears an overhaul kit and Detroit Truetrac for the rear, my thought process being that I'll and get a set of used 33" or 34" A/T',s drive it around on pavement/highway in 2wd for a little bit to make sure this is the ratio I want to run and work out the bugs. If I like it do the same to the front.

I know this size tire will wear out/beat on and break my stock axles! I anticipate this and don't really know what direction to go in on that just yet but for now I need this jeep on the road! It's not a DD but for one reason or another, all the work I listed has taken the better part of 2 years to complete and the vehicle was parked for all that time! I refuse to have the thing sitting on jack stands any longer. In fact I’ve been driving it every day to work, I love driving it! That doesn’t mean I won’t take the time or $$$ to do things right but I love driving this Jeep, Jeepers see the stick shifter in the console and go holy ****! Conversations ensue and it's just an all-around fun Jeep

On to where I am headed with this

My questions are the steering is obviously going to prove inadequate, I see a lot of back and forth on this forum about various upgrades, the ORO U-Turn kit, Currie Kit, WJ swap... Some people swap Durango steering boxes in. I am not sure what direction to go in but I want to order 1.5" pucks for the top of the coils and get a little extra lift and I will prolly leave lift height at that.

What makes sense for a steering setup? Drop pitman arm, tougher steering box? Brace? Linkage? Knuckles? I want it to be a really capable Jeep, but it needs to be reliable and most of all highway speed safe. My goal is not to build a beater rock crawler, to me this Jeep is too rare and means too much to me to trash it… I plan on wheeling it and have already tried it out on the trail with the lift in, it did very well! But I’m not one to flog the piss out of her. Also will the extra inch and a half really throw this whole thing into disarray?

I think the front trackbar with its new drop bracket is adjustable enough to compensate for the extra lift, the rear is stock with drop bracket so there may be issues there.

Also I prolly need bigger front brakes right!?


Last edited by ckzj; 04-28-2014 at 02:02 AM..
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Unread 10-01-2013, 01:34 PM   #2
HighLonesome
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Dana 35 rear? that will need to go if so.
I would get a HD adjustable trackbar.
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Unread 10-01-2013, 01:37 PM   #3
ckzj
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I know, im just waiting until it breaks (and it will) to replace it. The axles I want to have a seperate discussion on later in this jeeps life, since we are talking 1000's there! Is there a brand (trackbar) people have success with in the 4-6" lift range?
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Unread 10-01-2013, 08:34 PM   #4
dnuccio
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my buddy has an IRO double shear TB on his XJ (same front suspension as ZJs) and he likes it. i installed it for him, it seems pretty beefy. not sure what lift heights it can go to though. he's on 3 inches
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Unread 10-01-2013, 11:27 PM   #5
ckzj
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Well the front track bar that came with my kit is good 4"-6" but thats good to know thanks, I never heard of IRO til last week but the rear track bar is more what im looking for a vote of confidence on. It says good 0"-8" and seems reasonably priced. Also hoping someone has advice on steering upgrades...
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Unread 10-02-2013, 09:40 AM   #6
dnuccio
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Get steering linkage for a V8 ZJ. the tie rod is solid rather than hollow like the I6 one
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Unread 10-02-2013, 10:07 AM   #7
WhiteOut
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Quote:
Originally Posted by dnuccio View Post
Get steering linkage for a V8 ZJ. the tie rod is solid rather than hollow like the I6 one
Still bends pretty easily on 33s.


I'm more than happy with my IRO front double shear trackbar, JKS rear and Currie steering.
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Unread 10-02-2013, 04:57 PM   #8
ckzj
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Good referral on the JKS Rear Trackbar that unit looks tough as well! You say your running the currie steering setup... Is that the XJ steering system? I don't see a ZJ system listed on their website. It also looks like that still keeps the "dreaded" inverted y design the ZJ forum FAQ says to avoid when going above 4".
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Unread 10-02-2013, 07:12 PM   #9
WhiteOut
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Yeah, the XJ/TJ one. Fits on the ZJ, don't know why they didn't list it. I have a slight dead spot, but I'll trade that for strength any day (I can jack the Jeep up off the tie rod and it won't flex), it is alos VERY easy to service. Ripped a grease boot, had it swapped out in under 10 minutes.
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Unread 10-02-2013, 07:16 PM   #10
riot1987
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Clayton, IRO, and JKS all made solid products. Ive heard Claytons TB is BEEF
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Unread 10-02-2013, 07:19 PM   #11
riot1987
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Grab a steering box from a mid 70's GM 4x4 its a Saginaw box. It will have a "76" stamped on the bottom of it. Its also beef and I have heard its a bolt in application. Id pull on from a JY if you can. Thats what I plan on doing when I get my bigger tires.
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Unread 10-02-2013, 09:18 PM   #12
ckzj
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Ah nice I like the idea on the gm box. New units from Rockauto are 170 bux so if it worked that would be cool but a bone yard unit hopefully is less than that to test it out...

Anyone weigh in on keeping the inverted "y" at 5"-6" of lift?

WhiteOut ur runnin 6"?
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Unread 10-02-2013, 10:26 PM   #13
ckzj
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riot nice build thread, not that I need it but were you able to maintain abs with the 8.8 swap?

Isnt the track width a little narrower than stock?

how much lift you got and what size tires..?
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Unread 10-03-2013, 07:30 AM   #14
WhiteOut
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Yes, I'm at about 6" total. Small dead spot like I said but it's not a huge issue, can still drive with one or two fingers on the wheel.

The 8.8 is a bit narrower than the D35 or D44a, but you can just add an adapter on each side to make up the width.
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Unread 10-03-2013, 02:10 PM   #15
riot1987
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Hey thanks dude! Yes that 8.8 is a tad narrower than stock ZJ axles. I got rid of ABS when I did my swap. I have heard you can keep it but I just didnt want to mess with it. Im at 4.5" ...I dont care to talk about my current tires as I hate them with a passion. I had a set of KM2's in the 31" flavor.
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Tags
ax-15 , brakes , lift advice. , long arm lift , steering

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