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Old 04-26-2017, 01:11 PM
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Help with spring lift to fit 33's

Just ordered 33x12.50R15 Duratracs on MB TKO wheels (-19 offset) for my JKU Sport. I am trying to determine the minimum lift I will need to avoid rubbing with swaybar disconnected. Would the TF 1.5" leveling kit (either spring level or spacer level) do the trick?

I would prefer a spring lift but am looking at spacer lifts also. Ultimately I would like to run OME shocks but it's much easier to get stuff past the wife if they come in smaller purchases that are spread out a bit, so I'm thinking springs now and shocks later.

I'm dumb when it comes to spring specs. What do the numbers mean? I see some guys putting "19/60"s and others have said it might be too harsh?
What springs would I need, and would I need specifically OME springs to work well with OME shocks, or would any brand with the correct numbers do? What numbers would that be? Running through the product selector for OME, depending on which option I pick it says I would need either 2616 front coils and 2617 rear, or 2627 front and 2617 rear. I currently have a Rampage Stubby Recovery front bumper without a winch, but will probably add a winch at some point. So I'm not quite sure which option to pick.

Would the springs that come with the Teraflex spring leveling kit perform well with OME shocks? Springs that are too stiff or too soft will defeat the performance that OME intended.

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Old 04-26-2017, 01:19 PM   #2
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Rubbing ultimately comes down to bump stops, not lift height. Most of the time, you can run 33's without any lift at all. But they do look much better with the leveling kit. You will probably have to trim your air dam a little.

If you are keen to the idea of the leveling kit, go for it. If you want a little higher quality get something like the AEV 2" kit. It's got shock extensions and bump stops which are a nice upgrade.

https://www.northridge4x4.com/fits/2...ension-kit-2in
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Old 04-26-2017, 04:19 PM
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Thank you, Pressurized.

I think I might go for the Teraflex Performance Leveling kit (1.5" spring lift) now, and add OME shocks later.

This is exactly what I'm after:
https://www.jk-forum.com/forums/jk-s...9/#post3221739

Will that rub?
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Old 04-26-2017, 05:05 PM   #4
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Quote:
Originally Posted by secretspy711 View Post
Thank you, Pressurized.

I think I might go for the Teraflex Performance Leveling kit (1.5" spring lift) now, and add OME shocks later.

This is exactly what I'm after:
https://www.jk-forum.com/forums/jk-s...9/#post3221739

Will that rub?
My bad for connecting your leveling kit comment to the TF spacer lift. You said spring multiple times...

Every Jeep is a little different... The odds are good that you could run that 1.5 performance kit without issue. But if you found a little rub, you would just add a little bump stop and it's fixed.

But that's $400 with no shocks... Consider the OME 2" kit with shocks for just the additional cost of shocks and you get a better kit.

https://www.extremeterrain.com/arb-o...mejk4dlks.html
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2006 LJ Rubicon - Solar Yellow - Very Stock'ish - The Press Casual LJ-R build
2012 JKU Sahara - Pro Comp LED Headlights - PRS Audio mod- SWS - GraBars - Bestop Cargo Cover
- Mopar 2" Frankenlift - Teraflex Falcon Shocks - RE TB/Brackets - JKS mount/Bilstein stabilizer -
Rugged Ridge XHD
bumper - Yukon Gears - G2 Diff Covers - Pro Comp 8186 - Milestar Patagonia 35's - Teraflex BRK
- TORQ Locker - 1310 Driveshaft - PowerTrax Grip Pro - Full Core 4x4 Control Arms and Track Bars
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Old 04-26-2017, 05:38 PM
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You think the OME is better, even though it doesn't come with longer swaybar links?

If money were no object I would probably buy that OME kit today, plus longer swaybar links with quick disconnects. But at almost $900, + swaybar links, after having just spent $2k on wheels and tires I'm not sure I can justify that right now. At least not all at once. And even though it does say it's a 2" lift, it also says 2.5" in the description (which might be a carryover typo from the 2-door description), and I sorta worry that going too high in the rear would produce a "roller skate" look on 33's, which I'm not a fan of at all. That's why the TF 1.5 leveling kits appealed to me -- they are actually 2" in front and 1" in the rear. I have not been able to determine what the individual front and rear heights would be for the OME kit, but according to the OME website it says "50mm estimated lift", which to me means 2" all around.

On the other hand, the OME kit uses components that were designed to go together, with progressively wound springs, which I like very much. ...Whereas the TF kit uses linear springs and might not perform as well when paired with OME shocks.

I suppose I could piece together the OME kit... springs now and shocks later.

Am I overthinking this? I tend to do that sometimes
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Old 04-26-2017, 05:48 PM   #6
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Quote:
Originally Posted by secretspy711 View Post
You think the OME is better, even though it doesn't come with longer swaybar links?

If money were no object I would probably buy that OME kit today, plus longer swaybar links with quick disconnects. But at almost $900, + swaybar links, after having just spent $2k on wheels and tires I'm not sure I can justify that right now. At least not all at once. And even though it does say it's a 2" lift, it also says 2.5" in the description (which might be a carryover typo from the 2-door description), and I sorta worry that going too high in the rear would produce a "roller skate" look on 33's, which I'm not a fan of at all. That's why the TF 1.5 leveling kits appealed to me -- they are actually 2" in front and 1" in the rear. I have not been able to determine what the individual front and rear heights would be for the OME kit, but according to the OME website it says "50mm estimated lift", which to me means 2" all around.

On the other hand, the OME kit uses components that were designed to go together, with progressively wound springs, which I like very much. ...Whereas the TF kit uses linear springs and might not perform as well when paired with OME shocks.

I suppose I could piece together the OME kit... springs now and shocks later.

Am I overthinking this? I tend to do that sometimes
No, I get it... The all at once lift, tires and wheels invoice can be tough. There is nothing wrong with going the TF 1.5 kit. You can upgrade shocks later. OME's, Falcon's, Rancho's, etc. lots of choices. And if you have a little rub, tune it out with a bump stop. That's an easy way to go.

The pairing of shocks with springs is overrated in my opinion. No manufacturer can predict the weight of your Jeep. And a bunch of shock tuning has to do with weight.

And here's the real caveat... They use different spring rates for 2dr and 4dr Jeeps but use the same shocks. So which spring is it really tuned for? Make sense?

Good luck!
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2006 LJ Rubicon - Solar Yellow - Very Stock'ish - The Press Casual LJ-R build
2012 JKU Sahara - Pro Comp LED Headlights - PRS Audio mod- SWS - GraBars - Bestop Cargo Cover
- Mopar 2" Frankenlift - Teraflex Falcon Shocks - RE TB/Brackets - JKS mount/Bilstein stabilizer -
Rugged Ridge XHD
bumper - Yukon Gears - G2 Diff Covers - Pro Comp 8186 - Milestar Patagonia 35's - Teraflex BRK
- TORQ Locker - 1310 Driveshaft - PowerTrax Grip Pro - Full Core 4x4 Control Arms and Track Bars
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Old 04-26-2017, 10:30 PM   #7
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Not OME shocks, but, this is a budget friendly solution. Plus you get a $50.00 mail-in rebate right now from Rancho. Or you opt for the Rancho 9000XL shocks with the kit here and get $100.00 mail-in rebate.

Just throwing that out there.

Namaste,

Allen

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