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LOW COG suspension setup tricks/tips (REVISED 9-24-12)

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Old 12-07-2016, 08:17 PM
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Originally Posted by Mr. Pink
Ok dont shoot me but i am looking to do a long arm upgrade on my ZJ and eventually have it on 35's(will be on 33's for a while) but i want to keep it at it's current height 3.5" lift. IRO(Iron Rock) said i have to have 5.5" to run their upgrade, and i am unsure if the B-Lee would fit the ZJ since it's meant for an XJ. There isn't many options for us ZJ guys. and i dont have the fab skills yet to build my own setup, so i am looking to purchase one.
I have an XJ and am actually wondering almost the same thing. All the kits I find (Rustys, Claton, Searous,) "require" 4-6 in of lift in there decptrion. my question is to keep my jeep 3in or less how much mettle massaging will I have to do? and where?
Old 12-07-2016, 09:42 PM
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Originally Posted by fsjunky
I have an XJ and am actually wondering almost the same thing. All the kits I find (Rustys, Claton, Searous,) "require" 4-6 in of lift in there decptrion. my question is to keep my jeep 3in or less how much mettle massaging will I have to do? and where?
I ended up finding a 4" kit that looks like it will fit. i haven't started the install yet because the trans needs replacing first and it will get done after that since one of the members of the local jeep club i am a part of is replacing the trans and putting on my front long arm cross member. I will be also stepping up to 35's when i wear out the 33's i put on it as well.
Old 02-18-2017, 11:49 PM
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Just reread this. Planning on going 37s on 3.5"s in a distant future.
Old 02-22-2017, 10:32 AM
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Originally Posted by unidentifiedbomb
Just reread this. Planning on going 37s on 3.5"s in a distant future.


don't do it! uptravel is your friend!
Old 02-23-2017, 07:49 AM
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Originally Posted by Atmos
don't do it! uptravel is your friend!
I'm going to put some relocators and shackles in the back and might have to level the front out so closer to 4-4.5". Then I'll probably end up opening the rear wheel well for them.
Old 02-24-2017, 09:14 AM
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Originally Posted by unidentifiedbomb
I'm going to put some relocators and shackles in the back and might have to level the front out so closer to 4-4.5". Then I'll probably end up opening the rear wheel well for them.





link it! leaf springs suck
Old 02-24-2017, 08:34 PM
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Originally Posted by Atmos
link it! leaf springs suck
I'm lame, wussing out at 35s with long arms.
Old 02-27-2017, 12:00 PM
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Originally Posted by unidentifiedbomb
I'm lame, wussing out at 35s with long arms.


that's a far better setup in my opinion. forget the 37's
Old 03-01-2017, 11:14 AM
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Originally Posted by Atmos
that's a far better setup in my opinion. forget the 37's
I trust your opinion from your past builds. I'm looking at TNT long arms for the clearance, I know the cons to radius arms.
Old 03-01-2017, 12:34 PM
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Originally Posted by unidentifiedbomb
I trust your opinion from your past builds. I'm looking at TNT long arms for the clearance, I know the cons to radius arms.


you experience very little binding unless you're running greater than 12" of suspension travel/cycle. especially at a lift height less than 5" it's a non issue. Unloading is only an issue on EXTREME climbs (I'm talking ledges > 60* angle) the front end will feel a little light and start to unload. That's it. there's very little noticeable downside to radius arms


if you experience this problems often you can easily convert the TNT kit into a 3 link.
Old 03-01-2017, 01:57 PM
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I figured at my height I want to keep as much clearance as I can and probably won't see a difference between 3 link vs radius.
Old 10-19-2017, 08:27 PM
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I am going to be getting a 87 cherokee pioneer soon and was thinking about doing a 2-3 in lift and cutting fenders to fit the tires thinking about 32s for now but possibly going to 35s later but may just go with 33s. my question is I was considering using ZJcoils up front with spacers to give me the 2-3 inch lift and maybe "bastard" packs on the back but I was wondering how the bastard packs and ZJ coils will flex are they stiffer than just buying a 2 or 3 inch lift springs for the front and rear.
thanks for any advice you can give me.
Old 10-27-2017, 08:46 AM
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You know what sucks about Low COG setups?

Water crossings.....

Originally Posted by sidv13
I am going to be getting a 87 cherokee pioneer soon and was thinking about doing a 2-3 in lift and cutting fenders to fit the tires thinking about 32s for now but possibly going to 35s later but may just go with 33s. my question is I was considering using ZJcoils up front with spacers to give me the 2-3 inch lift and maybe "bastard" packs on the back but I was wondering how the bastard packs and ZJ coils will flex are they stiffer than just buying a 2 or 3 inch lift springs for the front and rear.
thanks for any advice you can give me.
whatever tire size you get, I wouldn't plan on going bigger in the near future, that's just a big wast of money and time. Go with one size and don't look back

BTW I have 31s on 2" of lift with the fenders all trimmed the minimal ammunt and I have lots and lots of room to fit 32s or maybe even 33s. I also know exactly how hard I can go before I hit the front bump stops, which happens fairly often

Last edited by mannydantyla; 10-27-2017 at 08:48 AM.
Old 01-22-2018, 11:36 AM
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I'm sure this question has been asked to you already, considering the post is 6 years old now haha but I was hoping you could give me a little more info on your bump stops. I'm thinking of running 33's and stock height and was wondering if you had any ideas as to what length bump stops I should be looking at getting? I've already locked down proper shocks, steering, and control arms, bump stops are defintely the next thing I need.
Old 01-30-2018, 09:16 PM
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Best method is to flex it and see. Flexing the front out is simple, put vehicle on stands high enough for the tires to be off of the ground at full droop, pull the springs, and lift each tire until it contacts something, then measure for your stops. Your rear is more of a nuisance, will have to lift it and compress the leaf springs. Forklift or loading bay ramp (the type the tractor trailer backs down a ramp below ground level) are your best options.


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