Yeah, another lift thread - JeepForum.com

 
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post #1 of 14 Old 04-10-2008, 09:53 AM Thread Starter
98ZJ_USMC
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Yeah, another lift thread

While I am fairly well versed in most mechanical repair, I am a lift newbie. I want to put a very modest 2" spring lift on my 98ZJ. With 236k of easy highway on it, the springs are worn hence, a spring replacement lift would be best. I have read about the driveshaft (front) vibration problems with 3.5" and above lifts but, has anyone experienced this with the more modest 2-2.5"? I just re-tired with 245-75x16 up from the stock 225's and the ride is great for the moderate trail and (very) moderate mudding I do. I don't forsee a bigger set of meats going on.

Thanks!


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post #2 of 14 Old 04-10-2008, 10:06 AM
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You wont get ANY vibes at that height unless something else is worn out. I think OME makes 2" lift springs.

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post #3 of 14 Old 04-10-2008, 10:25 AM Thread Starter
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Thanks, tokn. Post-lift, I am going to start looking at all the rubber bushings and replacing with poly as I go.

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post #4 of 14 Old 04-10-2008, 10:45 AM
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Poly bushings - a great way to add road noise and harshness to your ride. The OEM bushings lasted 200k for you the first go around, they'll be fine for the next 100k the Jeep has left in it.

'04 WJ, 6" Clayton LA's, 242 SYE, 35" BFG MT KM2's, 4.56 gears, & D44a locked
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post #5 of 14 Old 04-10-2008, 11:00 AM
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A possibly related question would be if replacing all bushings is a reasonably sensible thing to do while you're in there installing a lift. Seems so to me, but I'm new to this as well. I'd be using regular factory rubber. I've got enough other vehicles built to loosen my fillings, my wife and I don't need this one to do the same!
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post #6 of 14 Old 04-10-2008, 03:14 PM
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The factory rubber bushings are great.

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post #7 of 14 Old 04-10-2008, 04:39 PM
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Why are poly bushings so bad?

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post #8 of 14 Old 04-10-2008, 05:09 PM
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They aren't bad, but because they are stiffer they transmit more road noise/harshness to the vehicle.

'04 WJ, 6" Clayton LA's, 242 SYE, 35" BFG MT KM2's, 4.56 gears, & D44a locked
'14 WK2 Limited w/5.7L, ORAI, & Tow Package
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post #9 of 14 Old 04-10-2008, 05:50 PM
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Quote:
Originally Posted by ArloGuthroJeep View Post
They aren't bad, but because they are stiffer they transmit more road noise/harshness to the vehicle.
That makes sense, I just read about them in Offroad and 4x4 mags. What is a good factory replacement then?

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post #10 of 14 Old 04-10-2008, 06:10 PM
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Any rubber aftermarket bushing...they'll most likely outlast your Jeep...

'04 WJ, 6" Clayton LA's, 242 SYE, 35" BFG MT KM2's, 4.56 gears, & D44a locked
'14 WK2 Limited w/5.7L, ORAI, & Tow Package
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post #11 of 14 Old 04-10-2008, 07:37 PM
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Quote:
Originally Posted by ArloGuthroJeep View Post
Any rubber aftermarket bushing...they'll most likely outlast your Jeep...
Any brands that you have come across in your looking that stood out in performace, and should I get mine replaced when doing my lift

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post #12 of 14 Old 04-10-2008, 08:31 PM
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Moog is a well known replacement.

'04 WJ, 6" Clayton LA's, 242 SYE, 35" BFG MT KM2's, 4.56 gears, & D44a locked
'14 WK2 Limited w/5.7L, ORAI, & Tow Package
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post #13 of 14 Old 04-10-2008, 09:30 PM Thread Starter
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Quote:
Originally Posted by ArloGuthroJeep View Post
Moog is a well known replacement.
Hmmmm. I didn't realize that. Much harsher, eh? I must rethink this. I imagine the factory rubber ones will be a tad cheaper, too. Thanks, Arlo! I probably read one too many brochures some years ago when I was going to redo an 85' Toyota I had since birth.

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Last edited by 98ZJ_USMC; 04-10-2008 at 09:31 PM. Reason: spelling
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post #14 of 14 Old 04-11-2008, 07:15 AM
LaCeS OuT
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You will be fine with poly. They arent that much of a difference. I have poly rear sway bar bushings and sway end links in the rear and it rides fine. Its a jeep not a caddy. I also have poly control arm bushings on the lowers front and rear.


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