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Old 05-11-2011, 08:23 AM   #1
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Flat leaf springs

How can you tell when they need replaced ? Right now they are flat . Looked at a few local yj yet they all lifted so not a great comparison ..

I don't have a lift never really planed on it yet if the cost is close maby a small lift that I don't have to do any other mods or atleast simple ones .
I only have 30" tires and they rub if I turn into a drive on a incline .

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Old 05-11-2011, 09:33 AM   #2
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I don't think they are supposedd to be perfectly flat. I have 30" tires and have no rub.

Mine are slightly curved. All stock

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Old 05-11-2011, 09:38 AM   #3
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It all depends on how the jeep was used, mileage, location, etc.
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Old 05-11-2011, 09:39 AM   #4
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Mine is 89 YJ 2.5 I bought stock leaf springs about 4 months ago and they look completely flat when they have the weight of the vehicle on them
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Old 05-11-2011, 09:40 AM   #5
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And I have 30's also they do rub slightly at full turn of the wheel on the leaf they rub
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Old 05-11-2011, 10:00 AM   #6
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Quote:
Originally Posted by Ibuildembig
It all depends on how the jeep was used, mileage, location, etc.
Millage is 168k. I've only had it for 1 year
I plan soon to do low level family type trails . Other than that just it's my DD on weekend when I'm home .
I don't know how it was used before me . Location I live outside Bowling Green ,Ky. .

I'm not sure where the jeep is from cause I can tell it's been pieced together .
I've taken care of all rust , none left . Replaced floor panel Raptor lined inside . PO did the under carriage .
So now to clean frame and Raptor the outside body .
So if I need leafs now be good time .

Ry
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Old 05-11-2011, 10:04 AM   #7
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I wouldnt get too excited about it honestly. I have had alot of them rub with 30" tires on them.
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Old 05-11-2011, 10:45 AM   #8
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Ok thnx . Just dint know if they needed swapped out .
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Old 05-11-2011, 12:08 PM   #9
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If they are rubbing on normal pavement around town use and you are wanting to hit some light trails you may want to get some better springs otherwise you might tear up your flares.
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Old 05-11-2011, 01:05 PM   #10
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being flat, yeah they are wore. Its just a matter of how long you want to put up with 'em. You have bump stops and they shouldn't start bowing backwords so theres no harm in running them other than anything caused by the rubbing.

By replacing with stock size you should gain at least 1.5 to 2 inches I would imagine. Especially if you replace shocks at the same time.
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Old 05-11-2011, 02:03 PM   #11
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Originally Posted by sevenservices
being flat, yeah they are wore. Its just a matter of how long you want to put up with 'em. You have bump stops and they shouldn't start bowing backwords so theres no harm in running them other than anything caused by the rubbing.

By replacing with stock size you should gain at least 1.5 to 2 inches I would imagine. Especially if you replace shocks at the same time.
Ya my bumpstops are in a box waiting to be put on it's on my nxt no rain Saturday todo list . Looks like PO cut them off . I know that I need them so I got new ones just no time to install .
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Old 05-11-2011, 07:00 PM   #12
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My bumpstops rusted off. LOL!
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Old 05-11-2011, 10:35 PM   #13
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typical of YJ bumps....even the most rust free ones have the bumps rusted off
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Old 05-12-2011, 12:17 AM   #14
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If your jeep is mostly a daily driver then the leafs should ideally be flat. This allows for the easiest travel up and down when you hit bumps and what not. It also carries into off road use but with out a lift they will only travel so far anyways and won't be a problem. The lifted ones are curved cuz that will add a little more lift to the vehicle. Won't necessarily hinder it's performance, just make it articulate a tiny bit less an a little more stiff on road.

As far as the tire rub goes, as long as it isn't damaging the wheel well and is just rubbing on the frame at full turn, that's not a problem. Mine does it too, nothing bad has ever happened from it. The easiest fix I've found for this problem, don't turn all the way. Back off bout an 1/8 turn and it shouldn't do it
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Old 05-12-2011, 06:38 AM   #15
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Quote:
Originally Posted by Ibuildembig View Post
typical of YJ bumps....even the most rust free ones have the bumps rusted off
Yeah I figured. My frame is great and just have surface rust on it but the stops are gone. More flex right. LOL!

As for the flat leafs. I don't think it's gonna hurt anything at all. Just worn.

Like I said my 95 is only slightly curved but it is very slight. I still have clearence between my frame and axels and really i would only be concerened if it was setting on the bumpstops or the axels are touching something.

Even then it's probably just more uncomfortable than anything.

The rubbing can be resolved by different offset wheels. I would not worry about it too much unless your tearing up your tires.
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Old 05-12-2011, 08:06 AM   #16
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No the rubbing was just a reference it's only if I turn onto an uphill drive/road no other times . No wear on wheels . Just mentioned incase, flat = really bad , that I still had clearance .
Although I have no interest in a lift I still may consider a 2" at most with new springs for the future since there is no rush .
My frame is good just gonna clean off the surface rust and paint it then , when I do my bumpstops .

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