SOA conversion write up -
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post #1 of 7 Old 04-11-2007, 10:01 PM Thread Starter
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1989 YJ Wrangler 
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SOA conversion write up

I'm just curious if there is a detailed writeup about this. I'm thinking about doing it but I'm wondering how to do it like all of the steps involved and the cost for all the parts. If anyone has any information that would be great.

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post #2 of 7 Old 04-11-2007, 10:06 PM
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1993 YJ Wrangler 
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Go look at google there are plenty of write ups out there.

1993 Jeep Wrangler
4.0L Tom Woods rear HD shaft
D30 w/yukon alloys, lock right, jb4x4 bracket, Rusty's HD tie rod 8.8w/ LSD,SOA xj rear 100" wheelbase, homemade greasable boomerang shackles, SS braided lines, 1" prothane body lift, 35" TrXus M/T, smitty built XRC.
lots of gen right armor and rear stinger.
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post #3 of 7 Old 04-11-2007, 10:38 PM
Joe Dillard
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1991 YJ Wrangler 
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Location: Lexington Park
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I have posted a list of items I used numerous times & posted 100's of pics and did write-ups along the way.

The search feature is your friend.

If you took the first step & listed your intentions concerning which parts you would like to use, that would be a good start. I really don't feel like writing down everything I did & then it turns out you aren't going to use the items I used, that would be useless, that's why I mentioned you need a list or at least a partial one first.

If you intend to use a D35, I don't have any advice except you really need to start rethinking this.
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post #4 of 7 Old 04-12-2007, 02:45 AM
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Location: missouri via blackpool,lancs.
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100% agree with joe, google is free, and there are a million write ups on this very subject.
a few things to consider....
a)if you want to do it on a tight budget, forget it.
b)if you cant weld to a reasonable high standard, forget it.
c)if you are in love with the dana 35, forget it.
d)if you cant afford bigger tires than 33's, forget it.
e)if you dont want to run a sye, forget it.

there are the basics for ye........ do it right, or dont do it at all. done cheaply/incorrectly, you would be a liability to yourself and everyone else on the road/trail!
read up on it, then if you have specific questions, feel free to post up!


1998 XJ on 37's.JK Rubi axles with chromo shafts and ctm's, 4:1 transfer case, etc etc etc.
2003 Range Rover HSE, 4.4 Quad Cam.
1998 Range Rover with a 6.0 LSx
1994 YJ, 4.3/700R4/OME SOA, etc
Western Star 4900EX 4 axle.
4.3/700r4/new frame buildup (YJ)....

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post #5 of 7 Old 04-12-2007, 06:52 AM
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Agree 100%. Don't try to do things on the cheap and think that the 90 dollar solution is just as good as the 250 solution. The more you try to cheap on things (including the D35 axle) the longer it will take and more time and money you will invest in the long run. I know because thats where I'm at. Redoing a lot of that stuff is not fun. Get a real full SYE, a new rear axle at least, and new tires at a minimum in addition to the suspension and steering aspects.

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95 YJ, D30/8.8 w/ 4.88s, SOA, 35x14.50x16.5 Pit Bull Mud Dawgs, 101" Wheelbase, Custom Front Bumper, Winch, Custom Rear Tow Points, Traction Bar, Aussie Locker in front, 20 Gal. Gas Tank modification, Hurculiner Tub, Custom Rear Bumper, SYE and CV shaft, BTF Cross-over Steering, RCI 2191 fuel cell, BTF Rockers, RE 1.5" SOA springs up front and XJ springs in the rear

Down the line a bit...engine swap, the list goes on.
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post #6 of 7 Old 04-12-2007, 11:48 AM
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I agree with all the above. If you are coming from a 0-2.5" lift with no SYE, it's going to cost you $1500 or so to do a SYE. Leafs=650, perches/ubolts=100, shocks=200, steering=150+, brake lines=50, SYE=250, driveshafts=??

Do it right or don't do it. That actually applies to anything anytime.

'93 YJ, '02 GM 4.3V6, SOA, dual ARB's, 8.8+D30(WarnHubs), 4.88s, 35" BFG KM2s, AX15, NP231+4:1+SYE+2LO, York OBA, Warn M8000.
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post #7 of 7 Old 04-12-2007, 04:17 PM Thread Starter
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Thanks guys I don't think I will go SOA at least not yet expecially for the type of wheeling I do. I plan on running 33" tires. Also I'll probably stick a 3 and 1/2"-4" lift on there. Will I still need a CV driveshaft and SYE kit? I'll probably keep the D35 in their unless I can find an 8.8 with the proper gear ratio. Now a couple of questions what gear ratio should I be looking at. Do you think that gears would be the best bang for your buck at getting the motivation back after getting bigger tires on? The reason I'm thinking of leaving the D35 back there is because I'm running the 4.2L and automatic trans whic (should) have 3.54 in it. It feels pretty slow with 29" street tires on it. Thanks for all the help so far guys.
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