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Old 04-09-2012, 12:01 PM   #1
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SOA Kit

I am thinking about doing an SOA on my 87 YJ, Which company has the best ones for the best price?
Also i found a website that they say theirs "bolts" on, here is the link below, is this a reliable website?
Spring over axle lift for Jeep Wrangler, SOA

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Old 04-09-2012, 12:05 PM   #2
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That bolt on kit is actually pretty good. My buddy put it on his and he wheels hard with it with no trouble at all

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Old 04-09-2012, 02:23 PM   #3
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If u have a welder or a friend who welds it would be cheaper to simply buy tabs and weld them on. but those kits are deff nice and you should go for it
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Old 04-09-2012, 02:25 PM   #4
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I buy all the brackets from rough country....no issues.
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Old 04-09-2012, 02:47 PM   #5
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Blue tourch fab is where i got mine
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Old 04-10-2012, 12:02 PM   #6
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Originally Posted by 89JEEPYJ View Post
If u have a welder or a friend who welds it would be cheaper to simply buy tabs and weld them on. but those kits are deff nice and you should go for it
I have a little arc welder but thats it, would that be enough to make a good strong weld or would i need to get a bigger welder?

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I buy all the brackets from rough country....no issues.
I looked on RC, What else would i need to buy along with the SOA Brackets?
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Old 04-10-2012, 12:59 PM   #7
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as long as you can weld well with it, it will do just fine

I buy the 4 perches, pitman arm, brake lines, tcase drop (unless you wanna make one), and front trackbar locating bracket. Some say they run without trackbars, but I have found after years of doing them, it does make it drive better since a jeep has such narrow axles in it anyway.

You can get shocks from them too, but they are a bit stiff.
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Old 04-10-2012, 01:50 PM   #8
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^Traction bar, not a track bar. A Track Bar goes from the frame to the axle, and is mounted parallel to the axle to keep it from moving side to side.

A Traction Bar is mounted from the top of the axle to a section of the frame in front, and is mounted perpendicular to the axle. This helps to keep the axle from twisting under acceleration. I don't know anyone who in their right mind would run a track bar on an SOA setup unless they want to limit flex.
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Old 04-10-2012, 02:15 PM   #9
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I think ibuildembig knows what he's talking about.
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Old 04-10-2012, 04:54 PM   #10
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Yeah I'd have to challenge mister xpress on this subject. I will put the ole man's SOA'd 95 with front track bar up against ANY traditional SOA on here as far as travel goes. And as far as his idea of a traction bar goes, never put it on the top alone.....it won't do a thing for your spring wrap. It needs to be on the bottom and at as close to 6oclock on the housing as you can get it.
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Old 04-10-2012, 06:30 PM   #11
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With the bolt on kit wouldnt you still need sye?
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Old 04-10-2012, 07:08 PM   #12
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I wouldn't do the bolt on kit....regardless, you dont need a SYE for a standard SOA....but if you do, dont ever get a CV shaft.
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Old 04-10-2012, 10:00 PM   #13
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Yeah I'd have to challenge mister xpress on this subject. I will put the ole man's SOA'd 95 with front track bar up against ANY traditional SOA on here as far as travel goes. And as far as his idea of a traction bar goes, never put it on the top alone.....it won't do a thing for your spring wrap. It needs to be on the bottom and at as close to 6oclock on the housing as you can get it.
Now I'm not exactly an expert on SOA setups, however I don't see reason for running a track bar. SOA or SUA, it does essentially the same thing- limits flex due to how the axle pivots when it flexes. Leaf springs of course..
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Old 04-10-2012, 10:07 PM   #14
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I have to say with no front track bar on my jeep(sua) my axle does move from sided to side some. It's not noticable while driving but it does move to the left and right when steering. I have all new bushings too so it's no that. Just a lot of force there from the steering. I have thought about making a qucik disco trac bar for the front.

I imagine on an soa rig it's a bit worse seeing as the springs have less control over where the axle locates due the the location of force being applied. Plus the soa makes the springs work like they should which would give more verticle movement as well.
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Old 04-10-2012, 10:11 PM   #15
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A jks telescoping tracbar would be a good compromise....just saying. I plan on trying one out on my jeep when the time comes to get the suspension done.
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Old 04-10-2012, 10:17 PM   #16
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^^ that could work but honestly I dont feel its needed. Dads rig will do almost 40 inches of travel with stock flares on it and the front trackbar is still attached.
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Old 04-10-2012, 10:18 PM   #17
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The sway bar will limit flex. The trac bar's only prupose is to keep from having side to side movement or some would say to keep the axle centered. A tracbar is indeed necessary on a coil-sprung Jeep and does not affect any suspension flex, unless it is binding in some way, so I can't really see why it would limit any suspension travel on a leaf-sprung vehicle.
I don't think it is necessary to have them for a daily driver either, but 5-6" of lift with a drop bracket and flexy springs, I can see them being beneficial. I think Ibuildembig knows what is what, and is giving good advice. My .02

Now btt, .........I wonder if the Rockyroad set-up does anything for axlewrap being it still uses the original perches too?
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Old 04-10-2012, 11:15 PM   #18
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so I can't really see why it would limit any suspension travel on a leaf-sprung vehicle.
The reasoning is quite simple. Coil springs can flex in all sorts of directions that leaf springs just cannot, that is why track bars won't bind up a coil spring setup, but they will a leaf spring setup. Leaf springs flex in different manners than coil springs do, often times in a less free motion.

You cannot deny the simple fact that a leaf sprung axle flexes a LOT better and a LOT more without the track bars, that is why it's such a popular modification to ditch them. Hundreds upon thousands of Jeepers cannot be wrong. Myself including, I noticed a massive difference offroad right off the bat.
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Old 04-11-2012, 09:20 AM   #19
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Pick the tires up with a forklift and do some measuring and let everyone know....we are at 40 inches right now with the front trackbar
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Old 04-11-2012, 10:15 AM   #20
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I've been running my yj for about a year with no trac bar. After a year I bought my heavy humvee wheels and tires. After I put them on I developed a wobble up front. I've replaced everything, had alighnment don't. I took two heavy duty racheting straps. Attached one to the spring perch other end to the opisit frame. Then crossed the other strap, what do you know wobble, vibration gone. I'll be building a trac bar soon.
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Old 04-11-2012, 10:58 AM   #21
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Quote:
Originally Posted by Ibuildembig
I wouldn't do the bolt on kit....regardless, you dont need a SYE for a standard SOA....but if you do, dont ever get a CV shaft.
Why don't you want the cv shaft?
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Old 04-11-2012, 11:03 AM   #22
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They are expensive and weak. A standard 2 joint shaft will work perfectly. No where else in the 4x4 world have I seen a CV shaft in the rear. I won't even run them in the front, they are just junk IMO
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Old 04-11-2012, 11:50 AM   #23
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Really to do a spring over right sye, hi steer are a must. Why lift your Jeep just to drop your tcase? Does not make sense.
I don't run sway or track bars and have no problems. I can run down the bumpy idaho tractor highways and let go of the wheel and stay true to the road.
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Old 04-11-2012, 11:54 AM   #24
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I disagree with the sye and highsteer....after 15 of them done in my shop without issue. Also, if your concerned with the 1 inch it drops the case, your going places you dont need to be anyway
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Old 04-11-2012, 12:06 PM   #25
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Quote:
Originally Posted by Ibuildembig View Post
as long as you can weld well with it, it will do just fine

I buy the 4 perches, pitman arm, brake lines, tcase drop (unless you wanna make one), and front trackbar locating bracket. Some say they run without trackbars, but I have found after years of doing them, it does make it drive better since a jeep has such narrow axles in it anyway.

You can get shocks from them too, but they are a bit stiff.
Okay, my Jeep is totally stock (of my Knowledge) i total from RC would be $225, i am getting my brake lines from somewhere else, now would this work with stock leaf springs? i know i would have to buy longer shocks, what else would i have to buy in order for this to work?
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Old 04-11-2012, 12:07 PM   #26
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I guess my issue with out a histeer set up was when my steering linkage was binding up on my springs. Was not good. What's the solution to not being able to make a complete turn???
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Old 04-11-2012, 12:10 PM   #27
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Originally Posted by Ibuildembig View Post
as long as you can weld well with it, it will do just fine

I buy the 4 perches, pitman arm, brake lines, tcase drop (unless you wanna make one), and front trackbar locating bracket. Some say they run without trackbars, but I have found after years of doing them, it does make it drive better since a jeep has such narrow axles in it anyway.

You can get shocks from them too, but they are a bit stiff.
And also on RC it says "Rear S.S. Brake Line" wouldnt i need more than one? i dont know much about the wires and tubes of jeeps but i kinda figure if i have 2 tires in the rear i would need 2 brake lines am i correct?
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Old 04-11-2012, 12:17 PM   #28
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Originally Posted by Ianbeaulieu

And also on RC it says "Rear S.S. Brake Line" wouldnt i need more than one? i dont know much about the wires and tubes of jeeps but i kinda figure if i have 2 tires in the rear i would need 2 brake lines am i correct?
Just one rear line to axle that has hard lines on it. Look at your rear axle to driver side of dif.
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Old 04-11-2012, 01:29 PM   #29
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Okay, my Jeep is totally stock (of my Knowledge) i total from RC would be $225, i am getting my brake lines from somewhere else, now would this work with stock leaf springs? i know i would have to buy longer shocks, what else would i have to buy in order for this to work?
What do you have in your cart?

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I guess my issue with out a histeer set up was when my steering linkage was binding up on my springs. Was not good. What's the solution to not being able to make a complete turn???
The draglink was hitting the passenger spring?

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Just one rear line to axle that has hard lines on it. Look at your rear axle to driver side of dif.
Yeah, its just a feed line from the frame to the axle
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Old 04-11-2012, 02:27 PM   #30
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The SOA Brackets, Pitman Arm, Tcase Drop, Then the track bar thing

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