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Old 02-16-2012, 08:46 PM   #1
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tj with leafs?

i am thinking about swapping my tj coils to leafs, i wanna do a spring over kit. was wondering if anyone had done this? what are the advantages/disadvantages? planning on mounting 33's and cutting my fenders to flat fender it.

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Old 02-16-2012, 08:59 PM   #2
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To me, that'd be a giant step backwards, suspension-wise. With all the serious offroad vehicles having long-ago converted to coils or coil-over designes, why in the world would you want to go back to leaf springs?

If you say for simplicity, that's not nearly enough reason for me since the positives of a coil spring suspension far outweigh the benefit of simplicity of a leaf spring suspension.

A few like Brad Kilby (very well known in on-board air circles) experimented by converting their TJs to leaf spring but those experiments were short-lived. Brad did that to his first TJ 13-14 years ago but in the 5-6 coil spring Jeeps he has owned since then, he kept all the rest of them as coil spring Jeeps.

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Old 02-16-2012, 10:14 PM   #3
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is it possible to spring over a tj? I'm new to lifts, i want to get higher, i have 4inch coils, that make my jeep look stock and they don't flex out that well, plus they're old and starting to sag a little.
any suggestions for a good lift? i want a 6-8inch lift.
i like the spring overs though, my friend has one on his yj and it looks and drives great.
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Old 02-16-2012, 10:20 PM   #4
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I dont see any way that going back to leafs would be worth it. For the money youd spend converting and then buying a lift you could get a good coil lift. Plus in my experience leafs ride rougher. Also if you only plan on running 33's you dont need a 6 inch lift
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Old 02-16-2012, 10:23 PM   #5
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Its simple if u whant leafs buy a cj or yj
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Old 02-17-2012, 07:08 AM   #6
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I have front leafs on my TJ. It was easier doing leafs in the front for adding the stretch as well as swapping the D60 in also. I'm stretched front & rear. The front leafs so far have proven to be pretty stable IMO. At the time of fab and to get back wheeling it was easier to deal with. I've thought about linking the front, but the leafs still work great.
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Old 02-17-2012, 08:44 AM   #7
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Back when I lived in CO, I recall a short fad back in 99-2000 or so where guys were leaf'in the rear of there TJs.... Think it had to do with stability and the negative effects of lifted short arm suspensions. (recall the lifting of the front wheel on turns?) Long arms and advances (such as Currie's Antirock) have addressed many of these issues.

I see no reason to leaf a TJ. Even stretches are pretty straight forward with the products available today and some welding skills.
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Old 02-17-2012, 12:13 PM   #8
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why should someone want to convert a TJ to leaf springs
My mechanic recently converted his Yj to coil springs. I donít know what lift he has but I am about 6 ft. and can barely look over the hood.

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Old 02-17-2012, 02:06 PM   #9
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Liten to Jerry, he nailed it.

If you want leaves, converting a TJ would just be added difficulty and expense. Get a YJ or a CJ then lift it.
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Old 02-17-2012, 02:36 PM   #10
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A Tj with 4" lift on 33"s looks nothing to stock.... Like said above listen to Jerry!!
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Old 02-17-2012, 02:40 PM   #11
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I'm the guy who wants to convert his YJ to coils!
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Old 02-17-2012, 03:05 PM   #12
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I'm the guy who wants to convert his YJ to coils!

Swap Jeeps with the OP. Boom. Done and done.
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Old 02-17-2012, 03:40 PM   #13
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6-8 inch lift and your only gonna put on 33's, wow, well thats a good waste of $$$ and time. If your going for that size of lift, SYE, gears etc you might as well spend the extra $$$ and put on some 38-40's... I'm very confused!
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Old 02-18-2012, 08:19 PM   #14
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6-8 inch lift and your only gonna put on 33's, wow, well thats a good waste of $$$ and time. If your going for that size of lift, SYE, gears etc you might as well spend the extra $$$ and put on some 38-40's... I'm very confused!
to mount 38s, id need to get bigger axels (so I've been told, i have a 35 and a 30,) then regear it, and that costs a lot more cash. I've heard some talk of a coil over? anyone know how those go?
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Old 02-18-2012, 08:56 PM   #15
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6-8 inch lift and your only gonna put on 33's, wow, well thats a good waste of $$$ and time. If your going for that size of lift, SYE, gears etc you might as well spend the extra $$$ and put on some 38-40's... I'm very confused!
You can't run 38-40" tires without replacing both axles. None of the axles that come on our TJs are strong enough to run anything larger than 35". At least not long-term.
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Old 02-18-2012, 09:01 PM   #16
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Quote:
Originally Posted by Will George

to mount 38s, id need to get bigger axels (so I've been told, i have a 35 and a 30,) then regear it, and that costs a lot more cash. I've heard some talk of a coil over? anyone know how those go?
Yes. The coil goes over the shock.


For the record I have a SOA lift on my TJ and love it.
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Old 02-18-2012, 09:30 PM   #17
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can my 35 and 30 hold 35's? with proper re-gearing. 4:88's,
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Old 02-19-2012, 12:43 AM   #18
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Quote:
Originally Posted by Will George
is it possible to spring over a tj? I'm new to lifts, i want to get higher, i have 4inch coils, that make my jeep look stock and they don't flex out that well, plus they're old and starting to sag a little.
any suggestions for a good lift? i want a 6-8inch lift.
i like the spring overs though, my friend has one on his yj and it looks and drives great.
Do you have quick dicos?
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Old 02-19-2012, 01:02 AM   #19
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If you want to do that why not sell your tj and buy a yj then use the money left over and do an soa... Coilovers on a tj yes, leafs no.
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Old 02-19-2012, 01:12 AM   #20
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can my 35 and 30 hold 35's? with proper re-gearing. 4:88's,
Not without a Super35 Kit.. the max limit to a stock D35 is 33's Open.. And even then you got to be kind to the axle.. The D30 is good up to 35's
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Old 02-19-2012, 01:20 AM   #21
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If you want to do that why not sell your tj and buy a yj then use the money left over and do an soa... Coilovers on a tj yes, leafs no.
X2... im still confused and why........
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Old 02-19-2012, 04:54 PM   #22
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leafs were just a random idea i had, i like tjs way better.
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Old 02-20-2012, 04:53 PM   #23
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A few like Brad Kilby (very well known in on-board air circles) experimented by converting their TJs to leaf spring but those experiments were short-lived. Brad did that to his first TJ 13-14 years ago but in the 5-6 coil spring Jeeps he has owned since then, he kept all the rest of them as coil spring Jeeps.
Do you know Kilby?
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Old 02-20-2012, 08:16 PM   #24
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Do you know Kilby?
Enough so we recognize each other, we run into each other every year or so at trade shows and talk Jeeps or OBA systems.
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Old 02-21-2012, 07:02 AM   #25
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<-------- My TJ has front leafs and rear 4link and works awesome with that set-up.

If your confused don't worry, it's something different, you don't have to understand, that's the nice thing about Jeeps and making your own decisions.
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Old 02-21-2012, 07:38 AM   #26
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Only thing I'm really curious about is why you think your 4" coils make the Jeep look stock? If you really have a 4" lift and it looks stock, you have some serious issues with your springs. Really serious issues.
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Old 02-21-2012, 10:49 AM   #27
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I love my TJ but I'd consider leafing the rear and leaving the front as coil


just because its diffrent.
Sure i'd love a YJ but I like the airbags of the TJ for my children when they ride with me.Im not in a position to buy a YJ as a toy
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Old 02-21-2012, 12:37 PM   #28
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Only thing I'm really curious about is why you think your 4" coils make the Jeep look stock? If you really have a 4" lift and it looks stock, you have some serious issues with your springs. Really serious issues.
yeah this is what Ive been wondering to...
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Old 03-07-2012, 11:27 PM   #29
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i just cut my fenders to flats and saw it driving down the road (mom was driving lol) and it looks pretty tall actually, guess i was just used to the height and wanted to be bigger like everyone.
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Old 03-08-2012, 12:04 AM   #30
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i want to get higher, i have 4inch coils


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