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Old 01-04-2012, 12:50 PM   #1
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Lift vs springs?

Hey, I'm new to the forum and this place is great! I just sold my 04 330ci to buy the jeep I've always wanted I've been reading a fair bit about the potential lift possibilities just by changing the springs to hd. And if there isn't quite a formula as to why random jk's might get whichever springs. And if the different springs can affect height, would a 2.5" lift actually lift more than 2.5" on a jk with 13/55 than one on 19/60 springs? I'm ready to pull the trigger on either 19/60s or a 2.5" teraflex lift but I'm not quite sure which to go with.
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Old 01-04-2012, 12:56 PM   #2
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would a 2.5" lift actually lift more than 2.5" on a jk with 13/55 than one on 19/60 springs?
Yes. With a 2.5" coil (not spacer) lift, the final height of both jeeps would be the same. However, the jeep with 13/55s would be sitting lower to begin with, so it would net more lift out of the TeraFlex kit than the jeep with 19/60s.

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I'm ready to pull the trigger on either 19/60s or a 2.5" teraflex lift but I'm not quite sure which to go with.
There's almost no way the 19/60s would yield 2.5" of lift. By contrast, the TeraFlex kit will almost certainly generate AT LEAST 2.5" of lift, and will probably be more.

Therefore, the TeraFlex kit will give you more lift no matter what your existing springs are. So the question really is how much lift do you want. Also, do you have a 2 door or 4 door? Four doors don't see the same benefits from the 19/60s as do the 2 doors.

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Old 01-04-2012, 12:56 PM   #3
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The 2.5" lift springs will actually be 2.5" longer. the HD springs will be the same legnth as the original, they just wont compress as much when the weight of the body is set onto them. thus the illussion of a lift.
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Old 01-04-2012, 01:34 PM   #4
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The 2.5" lift springs will actually be 2.5" longer. the HD springs will be the same legnth as the original, they just wont compress as much when the weight of the body is set onto them. thus the illussion of a lift.
That's not true. I went from 14/55 to 19/60. I compared the coils side by side and the 19/60 coild were clearly taller and thicker. There is no illusion. I measured before and after and it was a full 2" lift.
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Old 01-04-2012, 01:46 PM   #5
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did you have to extend the shocks after?
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Old 01-04-2012, 01:48 PM   #6
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No. However, I already had Bilstein HD shocks.
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Old 01-04-2012, 02:05 PM   #7
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Which are longer I presume.... The HD 0" - 2" Bilstein shock(s)
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Old 01-04-2012, 02:08 PM   #8
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That's not true. I went from 14/55 to 19/60. I compared the coils side by side and the 19/60 coild were clearly taller and thicker. There is no illusion. I measured before and after and it was a full 2" lift.
Thank you. I knew they would be thicker for the larger spring rate, I just assumed they would be the same length.
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Old 01-04-2012, 02:33 PM   #9
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I know I wouldn't get 2.5" from 19/60's alone, I do want some lift but not enough to have start replacing a bunch of driveline parts and whatever. I just ordered "the combo" and it should be here soon. Is 3" too much? I just figured a possible 2" by springs for under 200 or 2 1/2" for 700. A $500 difference for what could be half an inch.
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Old 01-04-2012, 03:10 PM   #10
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Originally Posted by M.c.laren View Post
I know I wouldn't get 2.5" from 19/60's alone, I do want some lift but not enough to have start replacing a bunch of driveline parts and whatever. I just ordered "the combo" and it should be here soon. Is 3" too much? I just figured a possible 2" by springs for under 200 or 2 1/2" for 700. A $500 difference for what could be half an inch.
It'll be more than half an inch. Here's a 2.5" TeraFlex coil lift on a 2 door with 33x12.5R15 tires. Up to you if you think it's too much.
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Old 01-04-2012, 03:47 PM   #11
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Originally Posted by M.c.laren View Post
I know I wouldn't get 2.5" from 19/60's alone, I do want some lift but not enough to have start replacing a bunch of driveline parts and whatever. I just ordered "the combo" and it should be here soon. Is 3" too much? I just figured a possible 2" by springs for under 200 or 2 1/2" for 700. A $500 difference for what could be half an inch.
Go up to 3", and you're looking at close to $2K. Beyond about 2", it's pretty much exponential, in terms of cost and headache.

See MTH's post re the TeraFlex. Good lift.
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Old 01-05-2012, 05:31 PM   #12
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So I'm going to go with the 2.5" lift. Now I'm wondering what happens with a jku kit thatl net me over 3". I have a jk and have 33" tires on the way. Am I going to need anything other than the lift? And is over 3" of lift gonna look funny with 33's? And the kit being advertised as 2.5, will the shocks that come with it be sufficient or would those need to be replaced as well?
Thanks
Blake

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