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Unread 10-10-2013, 07:10 AM   #1
79jeepincj7
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Your opinion on my lift options.

Hey guys,

I have an 82 cj7 with a (350ish hp) amc 360 that I use for class 4's and road driving on 36's. This one is all pretty much stock. Dana 30 front amc 20 rear open/open 4.10 gears and a 4" CJ lift that rides like a hay wagon. So thats the rig

Options:

SOA: I have some factory YJ springs with RE add-a-leafs still in the box to return to a positive arch, RuffStuff traction bar kit in the box, new perches, double cardon rear shaft etc etc etc to do a SOA setup.

SUA: I also have a YJ 4.5" RE lift laying around that I could throw under it and have about the same lift and still be sprung under. (Hoping to get away without a traction bar going in this direction) Those also ride very nice.

Im looking for something that will ride nice and be good on the road but still perform well offroad because im trying to get my girlfriend in the seat of this one. (Ive done plenty of SOA setups before so I'm aware of the work to make it "safe".) I just want to hear which lift you guys would put under it if it was yours and maybe why.

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Unread 10-10-2013, 07:33 AM   #2
BESRK
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I'd probably just toss the SUA 4.5" lift under the rig and trim fenders to fit the rubber.

I'd be kind of worried about the lifespan of a SOA setup using stock springs and Add-a-leaves.
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Unread 10-10-2013, 07:33 AM   #3
seabass1858
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blackdiamond or rubicon express gets my vote along with spring over axle but it depends how high you want to go. also keep safety in mind too,
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Unread 10-10-2013, 09:17 AM   #4
vinnyabs
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Subscribed. Pondering exactly these three choices for a while. RE, black diamond or SOA ? Still researching the additional necessary steps to make the SOA safe. Gonna tag along on this one
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Unread 10-10-2013, 09:34 AM   #5
aero mech
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I vote re4.5 as well. I run that same lift as well as a 1 inch body lift for street and trails rated to 4. You will probable have to trim alittle from the rear wheel opening for 36 inch tires.
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80 CJ-7 Straight six,comp cam,4.0 head, cherokee header, DUI distributor, Affordable FI TBI ,4.10's wide track amc 20 aussie locked and trussed, Dana 30 aussie locked, PSC steering box, 4.5 RE lift, twin sticked dana 300 with Lo max 4to1 35"STT'S ON DC-1 "It's getting there"
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Unread 10-10-2013, 10:27 AM   #6
79jeepincj7
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Quote:
Originally Posted by vinnyabs View Post
Subscribed. Pondering exactly these three choices for a while. RE, black diamond or SOA ? Still researching the additional necessary steps to make the SOA safe. Gonna tag along on this one
Well you'll want a traction bar for starters to help with axle wrap. Setting your caster when doing the front perches is very important as well along with the rear pinion angle depending on which style driveshaft you are going to go with.

Downlaod the pdf from the first post in this thread.
http://www.jeepforum.com/forum/f8/ef...in-etc-784807/

The steering is where I'm stuck at to make to 100%.. because im not gonna spend the money on highsteer for a dana 30. I have a drop pitman arm on it now but I'll still have a little bump steer with the SOA setup.
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Unread 10-10-2013, 10:28 AM   #7
79jeepincj7
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The 36's fit now with the regular 4" lift. The RE lift also has boomerang shackles to go with it that will lift it a very little amount. But I'll probably go with the RE setup since I have that and can return the other parts.. if I dont like it I can always go to SOA another time.

But still.. keep them coming!
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Unread 10-10-2013, 10:42 AM   #8
Spieg8
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Quote:
Originally Posted by 79jeepincj7 View Post
The 36's fit now with the regular 4" lift.
This surprises me. I would have thought you would have significant tire rub.

Anyway, if you're sure that the two lifts are the same height, then I would go with the SUA simply because of the easier installation, and better manners on the road.
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Unread 10-10-2013, 10:53 AM   #9
CoryA
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What I plan on doing if you plan on keeping your current axles and 4" is enough for your setup

I wanted something that's a quick easy swap and will ride nice so I'm going with

Ome 2.5" lift
1" body lift and probably clock my tc
Boomerang yj shackles for another 1/2" lift

Will bet approximately 4" and supposedly a very nice ride

If I were doing an axle swap soa all the way
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Unread 10-10-2013, 11:15 AM   #10
jdarg
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If you have most of the parts for SOA, there's no reason not to. Just make sure you address the steering.

The 4.5" RE lift will simply never flex or ride as well as YJ leafs w/ AALs. Period. So unless you want to maybe reserve the SOA parts for some other rig, use 'em.
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Unread 10-10-2013, 12:05 PM   #11
79jeepincj7
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Quote:
Originally Posted by Spieg8 View Post
This surprises me. I would have thought you would have significant tire rub.

Anyway, if you're sure that the two lifts are the same height, then I would go with the SUA simply because of the easier installation, and better manners on the road.
I also have stupid awful autozone shackles on it right now that are way to long. They were all I access to when I threw the jeep together last year knowing I was going to upgrade stuff this winter.

This shows the clearence. Granted someone cut the rear wheel wells a little bigger for TJ flares since it was a YJ tub but I have a better tub going on it this winter thats mint to get rid of all the silly diamond plate.




Quote:
Originally Posted by jdarg View Post
If you have most of the parts for SOA, there's no reason not to. Just make sure you address the steering.

The 4.5" RE lift will simply never flex or ride as well as YJ leafs w/ AALs. Period. So unless you want to maybe reserve the SOA parts for some other rig, use 'em.
Well the cj is pretty fast and we're always horsing around in it etc... my wheeling cj had a TON of body roll with the 1.5RE springs up front and OME xj springs in the rear. So I'm a little worried about that with those old YJ springs and any SOA setup.
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Unread 10-10-2013, 05:18 PM   #12
skizriz
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Quote:
Originally Posted by 79jeepincj7 View Post
my wheeling cj had a TON of body roll with the 1.5RE springs up front and OME xj springs in the rear. So I'm a little worried about that with those old YJ springs and any SOA setup.
I log about 10,000 miles a years in mine with SOA on YJ springs. With the sway bar hooked up, body roll on the road in a non-issue.
It's actually quite fun to drive on back country roads.
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Unread 10-10-2013, 05:24 PM   #13
seabass1858
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I had an re on my xj and no issues and I also had a black diamon on my old tj with no issues. I have an old man emu on my liberty and again no issues. I also paid good $ for all my lifts because of listening to people on forums. Id go with re for your purpose
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Unread 10-10-2013, 10:54 PM   #14
CJ7KAHUNA
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I am in the SUA camp - I'd go YJ springs and get in touch with BDS. I've heard nothing but good things about them and I know they have lifts for YJ's that are over 5" so the lift height and quality is there.
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Unread 10-11-2013, 12:39 AM   #15
Chewtoy
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I like your first plan put the RE lift on it and if it doesn't behave like you want it to, swap in some dana 44s and go SOA.
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