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beaureed445 05-03-2013 09:39 PM

Lift Kit "Rebuild"
I have a 4" Stage I Pro Comp lift on my '03 TJ. For all practical purposes, it's just fine, and does what I "need" it to do. BUT....I'm going to do an axle swap to D44s soon. So, while I've got it pretty much apart, I was considering an upgrade. Maybe shocks and springs. IF you were me, what would you switch to? Or would you? Should I just leave it alone, and run what I've got? Oh, the lift kit is less than a year old, in case anyone is wondering.

jeepwayoflife 05-03-2013 10:05 PM

What shocks do you have now? If you have the Pro Comp ES3000 or ES9000 shocks, I would upgrade those. They are known to produce a pretty rough ride on a jeep when compared to shocks like the Bilstein 5100 or Rancho 9000XL. I would only replace the springs if they are sagging, but if its less than a year old you are probably fine.

apaTJ 05-03-2013 10:29 PM

Since your going to be getting new axles and possibly new control arm mounts, I'd say its a good time to put a long arm system front and rear. That will improve your flex as well as on road handling. I'm a fan of triangulated 3 and 4 links as they eliminate the need for a track bar. I think track bars are really inconvenient cus they move the axle left and right as your suspension travels and cause the flexibility to be different on each side. There are many kits out there that are bolt on. That's what I would do budget allowing.

PStov98TJ 05-04-2013 12:13 AM

Upgrading your CA setup is a very good idea if your axle will be out anyway. And the above statement is somewhat true. But I have to respectfully, completely disagree due to the fact that it is fundamentally flawed.

With a "3-link" front setup a track bar is still required as it gives the steering something to "push/pull" against. This is why it is technically a 4-link (3 CA's and on TB = 4 frame to axle attachement points) but people now refer to it as a 3-link because only 3 CA's are used (one UCA and two LCA's). In the rear however, the track bar can be removed if the upper and lower control arms are triangulated which, if they are triangulated correctly, will control lateral movement of the axle as well as the vertical and rotational movement.

But alot more goes into this than just buying a long arm kit and bolting it on. Honestly, if you do some research and are even slightly meticulous, you won't buy a kit at all. In fact, you'd run so far the other way you'd never look at a LA or SA "kit" ever again. Custom is the only way to go if you really want to do it right. There are simply too many variables in the equation to just throw something on there that a company produced. And don't get me wrong, I'm not saying expensive is the only way to go. Some people read "custom" incorrectly. Custom does not always mean expensive, but it usually does mean fine tuning ability.

Read through the thread posted below and the threads posted in it by Imped and do some google searching. Research is key in this field. Very small things can have large impacts on the overall handling of your jeep while it is offroad and on the road.

P.S. Ignore the pissing argument. It happens almost every time one of these questions comes up. Just read the facts about roll center, anti-squat, etc. and come back with questions you have. And like I said before, research, research, research. That's the only way you'll truly understand what goes on

beaureed445 05-04-2013 11:14 AM

I may just opt for new Bilsteins, and leave everything else in place for now.

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