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Unread 12-19-2010, 08:01 PM   #1
nthn1800
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2004 Tj lift questions

I have a 2004 TJ with a 2" coil spring spacer lift on front and back. I have been thinking about either adding 2"-3" lift coil springs to the spacers or getting 4"-5" lift coil springs and getting rid of the spacers. Suggestions would be appreciated.
Also, besides the coil springs and shocks, how much will I have to modify for a 4"-5" suspension lift (control arms, track bar, etc..)?
Thanks!

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Unread 12-19-2010, 09:19 PM   #2
TheHeretic
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Fill in your profile, so peeps can offer sound advice. Do you have a Rubi? If not then you will need an SYE (Slip Yoke Eliminator), and a DC rear driveshaft. You're going to need adjustable track bars, front and rear. Adjustable control arms both front and rear, and longer anti-sway bar links. If you're going to that kind of lift, I assume that means you are looking at taller tyres; in that case, if they are bigger then 31", you are best to get an aftermarket tyre carrier that transfers the weight to the frame, instead of the back of your tailgate. If you have D 30C, and D 35C (the 'C' is for Custom, not 'C' Clip as some assume), you will need to make sure you match your tire size to the axles. By that I mean, if you have a Dana 30 and Dana 35 rear, and you plan on rock crawling, or playing in deep mud, you would be well advised to keep the tires to a max size of 33". Dana 30 and 35, are good axles, but they were not made for big tires.
Don't forget if you go with bigger tires, you are also going to want to change the gears in your differentials. If you plan on 33" I would recommend 4.10 gearing for best performance if there is a lot of DD'ing for your Jeep.
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Unread 12-19-2010, 09:51 PM   #3
TheBoogieman
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Tire size? Here's a 3" lift and 1" BL (body lift)on 33's.
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Unread 12-19-2010, 10:06 PM   #4
thejafe
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Quote:
Originally Posted by nthn1800 View Post
Also, besides the coil springs and shocks, how much will I have to modify for a 4"-5" suspension lift (control arms, track bar, etc..)?
Thanks!
Once you get up and beyond 2.5" of lift you start changing the geometry of your suspension to the point where things NEED to be addressed. We're talking control arms, track bars, and driveshaft angles.

I'm assuming you are attempting to clear 35's with 5" of lift? If so, you will then need to think about upgraded brakes, upgraded steering components and a gear swap. To properly setup your rig for 35's we're talking upwards of $5k easy. So, let us know what tire size you're looking to run and about what you're budget is for this build .
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Unread 12-20-2010, 07:40 AM   #5
nthn1800
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I already have 33's on the jeep and the gears have already been changed.
Is it okay to keep the coil spring spacers on 2" lift coil springs?
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Unread 12-20-2010, 07:42 AM   #6
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Quote:
Originally Posted by nthn1800 View Post
I already have 33's on the jeep and the gears have already been changed.
Is it okay to keep the coil spring spacers on 2" lift coil springs?
Well, in that case you really only need around 3.5" of lift to clear those 33's comfortably. Look into a 3.5" Super-Flex kit from Rubicon Express or a 4" from Currie. You can ditch your existing coil spacers when you install either of those kits.
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Unread 12-20-2010, 07:46 AM   #7
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Quote:
Originally Posted by nthn1800 View Post
I already have 33's on the jeep and the gears have already been changed.
Is it okay to keep the coil spring spacers on 2" lift coil springs?
Yes,but you'll need longer shocks,sway bar end links and probably a t case drop/MML if you don't already have a SYE.
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Unread 12-20-2010, 07:48 AM   #8
nthn1800
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Wouldn't it be cheaper just to get a smaller lift (2") and add the spacers to them?
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Unread 12-20-2010, 07:50 AM   #9
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@boogieman would i need an adjustable trac bar?
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Unread 12-20-2010, 07:50 AM   #10
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Quote:
Originally Posted by thejafe View Post
Well, in that case you really only need around 3.5" of lift to clear those 33's comfortably. Look into a 3.5" Super-Flex kit from Rubicon Express or a 4" from Currie. You can ditch your existing coil spacers when you install either of those kits.
Or go with AEV 3'' springs with Currie arms with some good shocks (OME, Bilstein). If he's only clearing 33's anything over that is unnecessary IMHO...he doesn't need to be dropping springs like someone I know...
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Unread 12-20-2010, 12:16 PM   #11
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@ 0blcktj6

I was looking at your build thread. Did you take the sway bar off or did you have quick sway bar disconnects to get that much flex?
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Unread 12-20-2010, 12:47 PM   #12
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Quote:
Originally Posted by nthn1800 View Post
@ 0blcktj6

I was looking at your build thread. Did you take the sway bar off or did you have quick sway bar disconnects to get that much flex?
Just disconnected the swaybar. I use homebrew swaybar discos. I'm going to be upgrading to an Anti-Rock here shortly.
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Unread 12-20-2010, 12:52 PM   #13
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4" coils, longer shocks, Sway bar links, rear track bar bracket, T-case lowering kit at a minimum for 4 inches.
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Unread 12-20-2010, 01:04 PM   #14
thejafe
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Quote:
Originally Posted by nthn1800 View Post
Wouldn't it be cheaper just to get a smaller lift (2") and add the spacers to them?
Cheaper, yes. Recommended, no. Use the search feature and you'll find tons of info in regards to this. Build it right; get yourself the proper length coils and all of the necessary components so that you're rig is solid and reliable both on the street and on the trails .
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Unread 12-20-2010, 01:28 PM   #15
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Yes!!

Quote:
Originally Posted by nthn1800 View Post
@boogieman would i need an adjustable trac bar?
Yes, of course you will. You will need adjustable track bars for the front AND the rear. I told you what you would need in my first post.
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