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Old 09-06-2011, 03:25 PM   #1
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SOA with 4" Leaf Springs

I have a 4 inch lift in my jeep and im considering doing a SOA with the 4" springs. Was wondering if i would have to run dual shocks when going that big of a lift? I may bag the idea all together and just get rubicon 2.5" springs and just sell the 4" lift. Any ideas or comments of any kind are welcome

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Old 09-06-2011, 03:31 PM   #2
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I ran them a few years ago, but I didnt have a 231 transfer case either. To do it your gonna need to drop the case for sure, and use a larger u-joint like a 1350. Your also gonna have to highsteer it.

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Old 09-06-2011, 03:56 PM   #3
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the t-case is droped like 1 inch it came with the lift kit I have. I was going to do a slip yoke and CV driveshaft with the spring over. I wasnt sure if I needed dual shocks to help the jeep rebound after a corner. My friend had a toyota that wouldnt sit back straight after cornering and a builder told him he prob needed dual shocks
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Old 09-06-2011, 03:59 PM   #4
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CV shafts arent worth crap IMO, just put a 1350 slip yoke in there or do the SYE with a standard 1350 or 1410 joint and you will be in alot cheaper and stronger. I dual shocked mine but its not mandatory
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Old 09-06-2011, 05:17 PM   #5
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ill keep it single shock and see how it is and take it from there thanks for ur input. Also think im going to swap out rear end with for 8.8 while im at it but going to go with 4:10s
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Old 09-06-2011, 05:34 PM   #6
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Not to hijack thread but is the sye necessary with a 4 inch lift. I like my slip yoke and cv axles do suck
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Old 09-06-2011, 05:36 PM   #7
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Nah, I run SOA's which are typically 5.5 inches with no SYE, just a 1 inch drop on the case
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Old 09-06-2011, 06:53 PM   #8
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Any axle shims?
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Old 09-06-2011, 06:58 PM   #9
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If you are going SOA one would weld the perches on so the pinion is at the correct angle so shims are not needed
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Old 09-06-2011, 07:02 PM   #10
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No I'm doing RC 4 inch sua
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Old 09-07-2011, 09:07 AM   #11
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the rear springs come with shims in the RC kits and most kits

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