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Old 02-04-2010, 12:26 AM   #1
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Checking for sagging? Height

So i want to check the saggin on my jeep i feel the BB over the years (it being a 99) has cause some good ole' sagin'

so whats the stock height? and what do you think is a good point to measure from/to?


thanks again guys

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Old 02-04-2010, 01:27 AM   #2
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Old 02-04-2010, 01:39 AM   #3
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i just searched and couldnt really find anything. did you check your service manual?

you could also try checking some of the stickers that usually have general info on them. the two that ive seen were located on the underside of the hood and where the driver door seats against the frame.
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Old 02-04-2010, 04:31 AM   #4
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I would measure from the ground to the bottom of the rocker panel.
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Old 02-04-2010, 08:37 AM   #5
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I want to know too, but I also wonder why you think your coil spacers would contribute to sagging? I know nothing of such things. But curiosity has the better of me now
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Old 02-04-2010, 11:12 AM   #6
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I've measured mine from the rocker to the ground front and rear. I've got 1/2" difference so overall I figure since the rocker is roughly 1/2 the length of the Jeep, the sagging is about 1" overall. For me, I attribute the difference to a Rokmen bumper and LP8500 winch, 160lb or so on the front end. I'd think that if the measurements front and back at the rockers are the same, then you're level regardless of the actual measurement.
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Old 02-04-2010, 02:30 PM   #7
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Thats is hard to say as the jeeps came with a bunch of different tire sizes. So you would have to know what the hight from the factory was with the tires you have on it. Oh and if they aren't stock your S.O.L.
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Old 02-04-2010, 02:51 PM   #8
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Thats is hard to say as the jeeps came with a bunch of different tire sizes. So you would have to know what the hight from the factory was with the tires you have on it. Oh and if they aren't stock your S.O.L.
X2...You beat me to it. Could end up with 20 different measurments from 20 different people.
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Old 02-04-2010, 05:12 PM   #9
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If you're concerned that your lift is sagging, then is it because it's not sitting level? Or that you thought your Jeep initially wouldn't clear the 7' parking garage sign and now it will? The only real place your Jeep can "sag" is if you have body mounts (stock or body lift) that are worn, or from your coil springs. (Ok technically if your tires are different heights that can affect it too,)

But your tires (usually) rest on the ground which are mounted to your rims, rims mounted to your axle, the springs rest on the axle and the body rests on those springs.

I've noticed that upon acceleration my Jeep tends to lean a bit to the right, and can get severe if I'm turning left at the same time (to the point that I'm pretty sure I've lifted my drivers front tire off the ground from a stop by a hard left turn acceleration.) I suspect that much torque and leaning will cause one spring to wear more than the other.

If you want to see if it's level, I'd suggest measuring (side to side) from the outer corners of the body, and to determine level front to rear, use a level in the door jam.
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Old 02-04-2010, 11:46 PM   #10
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Well its not level, and i just pulled up to a jeep, with a 2" coil spacer lift, and 32's tires, i have 2" BB aswell with 33's his was a tid higher than mine, now i know thats dumb sounding, but with the 33's i should have .5 on him, in a perfect world, but that means if he was like 1/4th of an inch above my jeep, he would have atleast .75 of an inch over me. soo thats something i thought was odd.

I have the 1.25" JKS BL in the mail as we speak so im stoaked to get that on there.

was just seeing if buying brand new coils would help my old 99's coils... figured the weight of the hardtop and frontend coulda worn it down a bit. (I have a winch and addon's to my stock bumper.)
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Old 02-05-2010, 08:55 AM   #11
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Keep in mind that not all sidewall sizes are not created equal. Actual measurements vary by mfgr and tire. It is highly likely that your 33's are in fact shorter than his 32's.... :-/ Unless of course they are the same tire.
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Old 02-05-2010, 09:21 AM   #12
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BINGO--almost all 33" tires end up at 32"+++ when installed, even at 35psi !!



Quote:
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Keep in mind that not all sidewall sizes are not created equal. Actual measurements vary by mfgr and tire. It is highly likely that your 33's are in fact shorter than his 32's.... :-/ Unless of course they are the same tire.
Except mine, they're about 33.2 at 28psi

Never figure height variances , when using diff. tires !!!

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Old 02-05-2010, 10:51 AM   #13
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tj's have are fameous for sagging at the passanger rear because of the tork the 4.0 puts out

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