Springs or Spacers - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 10 Old 05-18-2011, 08:45 PM Thread Starter
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Springs or Spacers

I'm looking to modify front/back to accomodate weight of bumpers, etc. Might want to go to 33" tires, so I'm not planning on a radical lift. Two options are appealing: replace coil springs (e.g., Eibach leveling lift kit) or spacers (many brands available). Any thoughts or experience?

And would installation of either then require other modifications to steering, suspension, etc?

Thanks!
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post #2 of 10 Old 05-18-2011, 09:04 PM
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If your going to run most of the time on the street with little to no wheeling you can get away with just a BB kit. Off road - doing a spring lift is the better way to go. Higher spring rates, handling, actual suspension travel.
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post #3 of 10 Old 05-18-2011, 09:36 PM
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Spacers

I've wheeled the shit out of spacers and even shock extensions out of a rubicon on 35s. Not as good as a "real lift" but far from a "street" or "light trail use" application.


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post #4 of 10 Old 05-18-2011, 09:46 PM
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I disagree
OP says its to accommodate heavier bumpers/winch etc
more weight on stock springs = sag over time

carrying more weight needs higher rated springs, not just mashing the under rated springs farther.

I had a BB on my rig, added bumpers, winch etc and a couple of months later it sagged
We did Chris's 2dr rubi, had a BB lift - added a bumper and winch, a couple of months later it sagged

if you plan on adding weight, use correctly rated springs to compensate, not just spacers to make up for stock spring "squish"

I wouldn't use eibach springs, maybe on a street car, but not a jeep.
get real springs from poly, ome, tf or someone that specializes in off road vehicles.

2.5" spacers in the rear w 3" springs in the front works pretty good though


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post #5 of 10 Old 05-18-2011, 10:06 PM
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^ true. I overlooked it was more for weight and not height. I did put rubicon unlimited springs on my 2dr. Pretty cheap upgrade if op is running a 2dr


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post #6 of 10 Old 05-19-2011, 05:48 AM
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I have 2.5 teraflex coils,my JK is a 2dr,and this are the new tera springs
specific for a 2dr,they hold up my bumpers very well and the ride is a dream,
with the new ones they even fixed the bowing issue in the front springs,
my actual lift is 2-3/4 in the front and 2-3/8 in the back.
good luck!
PS:no sagging thus far.
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post #7 of 10 Old 05-19-2011, 08:17 AM
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Please please please don't do spacers if your adding weight or plan on wheeling. I had RE 2.5 spacers, added a front bumper winch and sliders, maybe 6 months later the springs were sagging very bad. When I upgraded to a RK 2.5 stock mod lift I gained about 3" measured at the middle of the vehicle (not strictly front or back measurements), so you can see the sag was substantial. Not to mention the fact that it felt like I was riding around on square stone wheels. Spacers place stress on the springs constantly compressing them slightly, which will cause premature wear. If you are adding weight you will eventually want to go with new springs, the stock springs simply aren't rated for it. I would say avoid my mistake and do it right the first time.

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post #8 of 10 Old 05-19-2011, 08:58 AM
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i went with a bb for moneys sake.
ive got the rubi springs in. didnt do to much for me.really heavy winch/bumper combo.


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post #9 of 10 Old 05-19-2011, 09:48 AM
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Spacers are cheap, but as much work as changing the springs. Spacers will not stress the springs or do anything to them that is not already happening. You can stack spacers at the front, if you stack them at the rear there is a good chance they will fall out when flexed, this may even happen with a single spacer.

As already mentioned, the better solution is correctly rated springs for your application. The disadvantages are that they are more expensive and you may not get it right first time, but they are a better long term solution.
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post #10 of 10 Old 05-19-2011, 11:12 AM
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Rock Krawler Stock Mod kit. Has new progressive rate springs. Coupled with the recommended Bilstein shocks yields a very nice on road ride and room to fit 37's if you later add flat flares.
I added a few hundred pounds of steel armor and my ground clearance is still 6.5" higher than stock. This is from the RK2.5" kit, another 2.5" from the 37's and about another 1.5" from the RROR skid plate kit.
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