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Old 11-12-2013, 10:11 AM   #1
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1991 YJ "Adahy" Build

I dont have a ton of pics but Im gonna start this build thread any way. Start off with a pic of the night I got her and go from there. I gotta leave for work...

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91 Laredo, 4.0ho, TF999, Magnaflow exhaust, Yukon rear axles, Spartan Lockers, Posi locker, 3.5 inch springs, 1"MML, 1"BL, 1"shackles, trimmed fenders, raised flares, 35x13.50s.
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Old 11-12-2013, 03:21 PM   #2
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I traded a broke down boat for this Jeep. The guy told me on the phone it was a bone stock 94. When I showed up to look at it, it cleared the brand new 31s nicely so I know it had some sort of small lift. It was also a 91 in stead of a 94. The story is it was his mother in laws tow rig which I believe from it having a plug to hook it up like trailer lights and all the rock chips. He also said it had never been in the mud but I had to wipe red clay residue off the windows and mirrors so I could see to test drive it... I took it for a spin and it ran great. NO leaks from a YJ and the 4wd worked, I was happy. We swapped titles and I drove her home.

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Old 11-12-2013, 03:29 PM   #3
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My first move was to ditch the sway and trac bars. Once I got them off I noticed the track bars had about 3.5 inch spacers on top of the axles. So thats why I assume it has a 3.5 inch lift. Im not positive but it has lift springs of some sort...lol


Just removing the sway and trac bars gave me like another 3-4 inches of flex.
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Old 11-12-2013, 03:37 PM   #4
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I took it on its first wheeling trip and it did well, as expected. I didnt have a buddy or a winch so we didnt get too crazy...



Found this truck that day...

Nice view from the end of that run
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Old 11-12-2013, 03:44 PM   #5
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My next little bit of work was trimming the fenders and moving the flares up 1". I needed just a little more room to keep the tires out of the metal while flexing and didnt have money for a body or shackle lift. This worked well and other than the flares not lining up with the running boards perfectly, you cant really tell unless you know YJs pretty well...
Before:

After:
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91 Laredo, 4.0ho, TF999, Magnaflow exhaust, Yukon rear axles, Spartan Lockers, Posi locker, 3.5 inch springs, 1"MML, 1"BL, 1"shackles, trimmed fenders, raised flares, 35x13.50s.
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Old 11-12-2013, 04:04 PM   #6
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My next adventure was a local mud bog and the jeep did better than I thought. I got stuck but only cause of ruts. As long as my axles werent digging in the little wrangler wouldnt stop. I pulled a few guys out and everything. At one point it popped back into 2 wheel drive and I didnt even notice till I was trying to pull someone out. It did great in 2 wheel actually for being open on 31s...

This was after one trip through the field:

This one kinda gives you an idea of what there was to play in. This is the shallow end and the white yota is on 38s
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Old 11-12-2013, 04:08 PM   #7
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Oops, These trips were before I trimmed the fenders...
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Old 11-12-2013, 04:12 PM   #8
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I finally took on some trail rash getting pinched between two trees... Bent up the running boards a little but thats OK cause Im not planning on having them much longer...
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Old 11-12-2013, 04:13 PM   #9
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About now is where I trimmed the fenders. Hahaha
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Old 11-12-2013, 04:31 PM   #10
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I finally broke down and got spartan lockers. I installed the rear right off the bat and just that made a HUGE difference in performance! Finally able to defeat some little rock gardens and stuff...
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Old 11-12-2013, 04:44 PM   #11
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This pretty much gets you up to where I dont have any photos... She broke down on me like 2 months ago and Ive been fighting electrical/sensor problems since then. While she's been down though I have made a little progress with some stuff. I did the BL, MML and boom shackles. 1" on each. It clears the 35s OK now. Ditched the transfer case drop. Got my new stainless brake lines on. Painted the valve cover. Replaced the timing set, pickup coil, CPS, fuel filter, plugs, wires, cap and rotor. Im hoping an OEM cam sensor/pickup coil is gonna fix the spark issues and get her back on the trail. The after market one took away the trouble code but it wont run... Ive been hearing about this being a common deal. OEM part should arrive tomorrow!!
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Old 11-12-2013, 04:46 PM   #12
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Oh, heres a pick of when I first got my 35s. The BARELY fit...lol
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Old 11-12-2013, 10:38 PM   #13
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I dont have a lot of room in my little shop to get good pics but this is how it sits as of now...
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Old 11-12-2013, 10:52 PM   #14
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Lookin sweet man. Cool lookin trails
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Old 11-12-2013, 11:29 PM   #15
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Thanks! Its getting there. We have a few nice trails around here but could always use some more...
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Old 11-14-2013, 11:40 PM   #16
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Well I got the OEM pickup coil put in and its still not running. Im tearing it back down to double check timing marks from when I changed the timing set. After that I guess Im gonna have to take it to a mechanic. Im at a loss and am tired of wasting money on maybe's...
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Old 11-15-2013, 10:45 PM   #17
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What are the symptoms? Is it cranking and wanting to fire or ..... I have a 90 that was down for 2mo for a $40 part!
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Old 11-15-2013, 10:58 PM   #18
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Inconsistant spark is my best description I guess. #1 sparks pretty consistent but shuts down/fades to nothing. The rest of the cylinders spark sometimes when they feel like it but always shut down after about 3 seconds of cranking or sputtering.

It was trying to start and would sputter for 1-3 seconds then I changed the pickup coil again and now it just tries. Doesnt even sputter. lol. I just double checked the timing marks and it appears to be correct. I have replaced everything but the computer as far as ignition goes...
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Old 11-15-2013, 11:57 PM   #19
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Pull the timing cover and check to see if you slipped a tooth.
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Old 11-16-2013, 04:19 PM   #20
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Yeah thats what I did. I noticed when I was putting the negative terminal back on and it wouldnt tighten up so I looked closer and part of it has melted and puddled up underneath itself... So I finally have something to chase down besides just crappy spark. Eating lunch then Im gonna start unwrapping this little present. Should be able to get something sorted out now... Hopefully
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Old 11-19-2013, 01:10 AM   #21
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ITS ALIVE!!! Totally a boner move... I put the cam sensor in on the wrong side of the pin in the distributor.
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Old 11-19-2013, 03:35 AM   #22
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Congrats! Its always a good feeling to hear them fire back up again. (No matter what the cause was) Man those trails look beautiful.
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Old 11-19-2013, 10:01 AM   #23
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Thanks! Oregon is a beautiful place.
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Old 11-19-2013, 10:13 AM   #24
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Those little problems like that are the worst. Glad you sorted it out.
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Old 11-19-2013, 12:32 PM   #25
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Me too! Never trust the marks in the mud inside your distributor... I had a feeling it was something stupid, just couldnt figure out what
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Old 11-19-2013, 05:19 PM   #26
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No doubt man Oregon IS a beautiful place. Its been 40 years since I was out there but I still remember that much. LOL
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Old 11-21-2013, 12:50 AM   #27
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Thats probably the longest Ive ever heard of someone staying away. Most people come to visit and either keep coming back or just move here...lol
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Old 11-22-2013, 11:00 AM   #28
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Well Ive been busting my but trying to get this thing ready for a run this weekend. Now that I have it all back together it wont rev past 2500-3000rpms and the exhaust glows at anything above an idle. I think I messed up a vac line but cant find it. The adventure continues... Shoulda put a carbed small block in it 3 months ago...
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Old 11-22-2013, 09:34 PM   #29
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Well I believe I have a bad head gasket and something causing a lean mixture. Im hoping the head gasket is allowing it to suck air and create the lean mixture but I doubt if Im gonna be that lucky.

Im gonna try to get it all figured by next weekend and get the motor, tranny and transfer case pulled while my cousin is here for turkey day.

Ive got a line on another 4.0 out of a 95 ZJ. $600 bucks. It has an airraid throttle body spacer, recent tune up with taylor wires, accel coil, cap and rotor. Just dont have the 600 bucks yet.lol

No telling when Ill get it all back together. Ive got funds going 2 different directions now. Was really wanting to get the axles done but thats taking the back burner now..
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Old 11-23-2013, 12:01 AM   #30
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That sucks man, hope things start going your weay soon. That Jeep sure has been fighting you.

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