SOA vs. national - Off-Road Forums & Discussion Groups
Jeep-Short Wheelbase All discussion of short wheelbase Jeeps: CJ, TJ, YJ and JK

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post #1 of (permalink) Old 12-26-1999, 02:10 PM
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SOA vs. national

It seems most people think national is the best riding and articulating spring, but how do they compare to a spring over? I wanna go 6 inches. Cost is not a huge concern (I can probably afford a national), but I am conserned with ride, articulation, and handling. If there is a better spring company I'd like to know about them too.

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post #2 of (permalink) Old 12-27-1999, 07:47 AM
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Re: SOA vs. national

Most places dont' recommend a spring over because of the steering problems.
What kind of jeep do you have? I'm guessing if you can afford national springs you can also afford a spring over. So if you don't mind the headaches--a spring over will probably give your more articualtion.

I've riden in a cj with 4" national springs, 3" body, 35" tires, and it rode smooth, honestly smooth on road and articulated great.



I've never riden in a spring over--but I've called two different 4x4 shops and they talked me out of it.

post #3 of (permalink) Old 12-27-1999, 10:33 AM
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Re: SOA vs. national

Do a search in this BBS on "SOA" and you will get all the posts related to it. I think you will find that the pro's and con's about about equal. In your case, wanting more than 4" of lift dictates either an SOA or radical change like the Black Diamond ($$$$$) from Warn. Important thing to note, there is NOT a direct relationship between lift and articulation...i.e., more lift does not always mean more travel. With an SOA you are keeping your stock springs which means that you have about the same travel, your only 5-6" higher. With a spring lift, you get a little bit more travel but because of the design, the ride gets stiffer. Presently, I don't know of anyone that makes a spring lift over 4".

An SOA will give you the lift and ride you want, the only downside is the extra gear you need to prevent spring wrap and driveline vibration. (Side note here...buy the CV drive shaft...otherwise, you will never really get all the vibrations out without it...this applies to both SOA and spring lifts).

After you read all the old posts let us know what you decide.


John......southern CA
84CJ7,3"lift,32"BFG,4.11's,ARB,Solid Axle's
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post #4 of (permalink) Old 12-27-1999, 11:11 AM
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Re: SOA vs. national

Actually there are 6" National Springs available for CJ's and YJ's. A guy in my club got a set for his YJ recently. They have 11 leafs each, and ride great. They out flex his previous 2.5" lift (I think it was a Rancho) with ease.
If you want bolt in, give National a call. If welding is fine by you I'd look at the SOA. It's really a question of personal choice.

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post #5 of (permalink) Old 12-28-1999, 12:36 AM
 
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Re: SOA vs. national

If your not worried about $$$ give Avalanche Engineering a call. Ask them for a set of 1/4 elliptical springs with 6" of lift )

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post #6 of (permalink) Old 12-28-1999, 11:37 AM
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Re: SOA vs. national

I went rock crawling recently with 2 jeeps that had the 1/4 elliptical....according to the guys, it was not much fun......everything was too easy....while I was driving my ass off to just make it up a hill...they just went up and over big rocks like it was a sunday drive....show offs....
Of course, that setup cost about $5000 installed....but heck, if you have the money.....why not..

John......southern CA
84CJ7,3"lift,32"BFG,4.11's,ARB,Solid Axle's
post #7 of (permalink) Old 12-28-1999, 07:21 PM
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Re: SOA vs. national

If money is no option, I would do the S.O.A. with Nationals. That way they can reverse wrap the eyes to help control axle wrap, and move the front center bolts up about 1.5 inches, to help relocate the axle more forward. I did the S.O.A. with 4 cyld Wrangler springs and the M.O.R.E. kit with the high steering conversion, on chopped down Chevy Dana 44's. My front axle can go about 1.5 inches more forward to be perfect.

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post #8 of (permalink) Old 12-28-1999, 10:07 PM
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Re: SOA vs. national

Hey Dorfs -
Can you post some pics of your rig. You have not gone the normal route and that means that you have something to teach some of us. Please indulge. Does it work? How long? How GOOD is is?
sln

post #9 of (permalink) Old 12-30-1999, 02:20 AM
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Re: SOA vs. national

Hi there,
I've done all the things you guys are talking about, and much more, I would like to tell you all the pros and cons, but I dont want to write a book on this list, so if any of you want to call me, I'll talk to you about this.
818 - 845-2194 tell them your calling about BBS list, and want to talk to mike.

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Mike Duncan
[email protected]
post #10 of (permalink) Old 12-31-1999, 12:47 AM
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Re: SOA vs. national

Hey doc-
Write the book. I once got chewed on this BBS for not wanting to write the book and others thanked me for writing what I did. That is what this medium is for. If you like, do it in two or three installments. I can promise you in advance that all of us will be grateful. We await your posting.
sln

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