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Old 03-09-2012, 08:35 PM   #1
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SOA Question

I have a 4in RC lift with 2in shackles and I was wondering if I could do a SOA and still use my 4in leaf springs. How much of a lift would that give me over stock?

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Old 03-09-2012, 09:16 PM   #2
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Around 8" of lift if your springs are still holding full arch. Here is an old pic right after I had the SOA done with my RC 4" springs that were already going bad. The S10 is not lowered and I was sitting on 33" tires with stock shackles.


Sitting on better springs with boomerang shackles and 35's next to my Titan

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Old 03-09-2012, 09:23 PM   #3
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What all did you have to do to make it work? Brake lines? Drive shafts? Sye? Trac/sway bars?
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Old 03-09-2012, 09:37 PM   #4
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Extend brake lines, SYE, different driveshafts front (custom) and rear (cherokee shortened), no track bars, no sway bars. I do have an anti-wrap bar on the rear axle.

Incredible ride difference over SUA--soo much smoother.
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Old 03-09-2012, 09:40 PM   #5
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Well if you had stock set up and did an SOA you would gain around a 5" lift.
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Old 03-09-2012, 09:46 PM   #6
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Quote:
Originally Posted by crafty
Extend brake lines, SYE, different driveshafts front (custom) and rear (cherokee shortened), no track bars, no sway bars. I do have an anti-wrap bar on the rear axle.

Incredible ride difference over SUA--soo much smoother.
Thanks for all the help!
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Old 03-09-2012, 10:45 PM   #7
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Originally Posted by vevalachris View Post
Well if you had stock set up and did an SOA you would gain around a 5" lift.
I replaced tired stock yj springs on a SOA, I added 3" add a leaf to the fresh springs and figure I am about 8-9" of lift. SO yours would be in the 9" range.
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Old 03-09-2012, 10:48 PM   #8
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Quote:
Originally Posted by drew11

I replaced tired stock yj springs on a SOA, I added 3" add a leaf to the fresh springs and figure I am about 8-9" of lift. SO yours would be in the 9" range.
Did you have to change anything with your steering?
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Old 03-09-2012, 10:52 PM   #9
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89YJ RE 4.5" SOA. 35's on the rear and pizza cutters in the front for garage door height clearance. Brand new stock body bushings also


Next to a stock rubicon


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Old 03-09-2012, 10:57 PM   #10
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89YJ RE 4.5" SOA. 35's on the rear and pizza cutters in the front for garage door height clearance. Brand new stock body bushings also
There's no tie rod connected to the driver's front wheel in the middle picture...
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Old 03-09-2012, 11:06 PM   #11
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Yep, and there is no transfer case yet hence the strap holdin the trans in the first pic. That's a chevy front end 4.56's to match the rear super35. I put in a d300, had to order a 21spline input for the ax5 to mate, clocking ring yadda yadda......None the less it is 4.5" SOA
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Old 03-10-2012, 09:02 AM   #12
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Did you have to change anything with your steering?
I had already built custom drag link and tie rod. You will probably need a drop pitman arm. With all the other suggestions you have gotten, you will need to flip the bolt in the middle of your spring pack. The head of it centers the spring in your perch. If you buy new perches to weld back on the axle, pay attention to what size hole is in the perch. This will all be worth it when your through.
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Old 03-20-2012, 04:52 PM   #13
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if i already have a 3 inch suspension lift and want to do an SOA is the stuff that comes in an SOA lift going to be enough or do i need an even bigger drop pitman arm ect

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