Please help with figuring out suspension upgrade - Page 2 - JeepForum.com
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post #16 of 46 Old 11-07-2019, 08:42 PM Thread Starter
Rob K
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Need to figure out bump stops. If pucks work for the back I have 5 of those laying around. Front?

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post #17 of 46 Old 11-07-2019, 09:39 PM
buddy07
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https://notrailrated.com/collections...berty-08-12-kk

2008 Liberty 4x4,OME 1.5" lift, 265x60/18 Duratracs

2012 Liberty 4x4,OME 1.5" lift, LT265x70/16
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post #18 of 46 Old 11-08-2019, 06:58 PM
tomknight
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seems that most folks go with terraflex front bumps. I think you have to cut them down to 2" if you can't get 2" ones.

All of the shocks and springs are available on Amazon Prime. No tax, free 2-day shipping. You can get a trial subscription.

Don't forget the JBA Bilstein adapter kit for the rear if you go with Bilsteins.

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2006 Liberty Limited
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post #19 of 46 Old 11-09-2019, 07:17 PM Thread Starter
Rob K
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Front factory bump stops measure 1.75" from metal to end of stop. I see that the edges are rounding off so they are getting some wear at 50k miles.

So is 2" going to be tall enough for OME 2-2.5" HD lift? Sorry I'm new to putting together lift kits. I was just reading somewhere that OME coil springs can maybe handle a good deal of compression and maybe get away with smaller bump stops or even the factory bumps? Maybe you buy long and cut them down as needed? I'm sure it depends on tire size also.


Also is looks like pucks will not work in the back. The stops are mounted inside the spring and are pressed in just like the front bump stops.
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post #20 of 46 Old 11-09-2019, 07:32 PM Thread Starter
Rob K
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I think I figured it out. I see several places sell bump stops for a 4" lift and you cut them down for shorter lifts. Just have to figure out how much.
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post #21 of 46 Old 11-09-2019, 07:52 PM Thread Starter
Rob K
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Oh I think I get it. Pucks get bolted to the spring perch. Just have to figure out how tall for the OME HD lift springs and 245/75r16 tires.
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post #22 of 46 Old 11-10-2019, 06:00 PM
Pine_Cat
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Factory wheels? Do you think when pointed straight ahead those 245s will hit the factory flares?

2017 JK Sahara (my Smartcar)
2011 KK Liberty (H&R lift springs, OldManEmu shocks/struts, skinny 32)
2009 Kia Sorento (H&R springs, ToyTec strut spacers, OldManEmu shocks/struts, skinny 31)
2006 TJ budget LCG prerunner (see profile)
2006 Chevy Trailblazer (EXT lift, Nth LJ 4.5" springs + Monroe rear coilovers, skinny 32)
1998 Dodge Durango (SuspMax & Roadmaster lifts, rear Truetrac, skinny 32)
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post #23 of 46 Old 11-10-2019, 06:41 PM Thread Starter
Rob K
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No idea. Others have installed 245/75R16 30.5" tire with the OME heavy duty springs. I assume the combo works. Pretty sure I read you can do up to a 30.5" tire with these springs. A little smaller would be fine with me also. It would be nice if they were a little bigger than stock though for extra ground clearance.
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post #24 of 46 Old 11-10-2019, 09:27 PM
tommudd
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Quote:
Originally Posted by tomknight View Post
one more - the front springs are 731 for hd use. Not sure what the numbers are for the others.
wrong info

front coils are 927s
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MUDD'S MOTORSPORTS
04 KJ JBA 4 IN COILOVER, 32s 4.10s
03 KJ JBA 2.5 T.C. LIFT, 31s 4.10s
05 KJ
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post #25 of 46 Old 11-10-2019, 09:30 PM
tommudd
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Quote:
Originally Posted by Rob K View Post
I think I figured it out. I see several places sell bump stops for a 4" lift and you cut them down for shorter lifts. Just have to figure out how much.


The list:
OME 2731 HD Rear coils
OME N132L HD Rear shocks
OME 2927 HD Front coils
OME 90009 Front Sport strut
Terraflex 3" front bump stop


Or could use Bilstein shocks as well, work good
coil numbers are ok

MUDD'S MOTORSPORTS
04 KJ JBA 4 IN COILOVER, 32s 4.10s
03 KJ JBA 2.5 T.C. LIFT, 31s 4.10s
05 KJ
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post #26 of 46 Old 11-10-2019, 09:32 PM
tommudd
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Quote:
Originally Posted by Rob K View Post
No idea. Others have installed 245/75R16 30.5" tire with the OME heavy duty springs. I assume the combo works. Pretty sure I read you can do up to a 30.5" tire with these springs. A little smaller would be fine with me also. It would be nice if they were a little bigger than stock though for extra ground clearance.
30.5 tall tire works, although you will lose some power and mileage if you do not regear
On one of mine I run 265-70-16s ( 30.6 inches tall with 2.5 inches of lift and 4.10 gearing

MUDD'S MOTORSPORTS
04 KJ JBA 4 IN COILOVER, 32s 4.10s
03 KJ JBA 2.5 T.C. LIFT, 31s 4.10s
05 KJ
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post #27 of 46 Old 11-10-2019, 09:35 PM
tommudd
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Quote:
Originally Posted by Rob K View Post
Front factory bump stops measure 1.75" from metal to end of stop. I see that the edges are rounding off so they are getting some wear at 50k miles.

So is 2" going to be tall enough for OME 2-2.5" HD lift? Sorry I'm new to putting together lift kits. I was just reading somewhere that OME coil springs can maybe handle a good deal of compression and maybe get away with smaller bump stops or even the factory bumps? Maybe you buy long and cut them down as needed? I'm sure it depends on tire size also.


Also is looks like pucks will not work in the back. The stops are mounted inside the spring and are pressed in just like the front bump stops.
rear bumpstops use 2 per side hockey pucks bolted down to the lower spring perch , use 2.25 inch long bolts to hold them in , install after you install springs, of course drill holes before installing springs

MUDD'S MOTORSPORTS
04 KJ JBA 4 IN COILOVER, 32s 4.10s
03 KJ JBA 2.5 T.C. LIFT, 31s 4.10s
05 KJ
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post #28 of 46 Old 11-11-2019, 08:35 AM Thread Starter
Rob K
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Tommudd, do you know how about how much rake their is with these springs without adding any spacers? Using just the springs by themselves. With the factory springs I was often using up the whole 1" of rake when loading and hauling so it was riding level. I'm guessing I wouldn't need quite as much rake with the heavy duty springs. I load heavy, but tow light right now. Usually at the same time. I guess that could change.



Based on the comments it sounds like I should look for a 29-30" tire.




The list:
2 x OME 2731 HD Rear coils
2 x OME N132L HD Rear shocks
2 x OME 2927 HD Front coils
2 x OME 90009 Front Sport strut
2 x Teraflex 1903200 3" front bump stop
4 x pucks
2 x 2.25" bolts
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post #29 of 46 Old 11-11-2019, 04:18 PM
tommudd
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Quote:
Originally Posted by Rob K View Post
Tommudd, do you know how about how much rake their is with these springs without adding any spacers? Using just the springs by themselves. With the factory springs I was often using up the whole 1" of rake when loading and hauling so it was riding level. I'm guessing I wouldn't need quite as much rake with the heavy duty springs. I load heavy, but tow light right now. Usually at the same time. I guess that could change.



Based on the comments it sounds like I should look for a 29-30" tire.




The list:
2 x OME 2731 HD Rear coils
2 x OME N132L HD Rear shocks
2 x OME 2927 HD Front coils
2 x OME 90009 Front Sport strut
2 x Teraflex 1903200 3" front bump stop
4 x pucks
2 x 2.25" bolts
Should sit pretty much level front to back

MUDD'S MOTORSPORTS
04 KJ JBA 4 IN COILOVER, 32s 4.10s
03 KJ JBA 2.5 T.C. LIFT, 31s 4.10s
05 KJ
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post #30 of 46 Old 11-11-2019, 06:28 PM
tomknight
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tommudd - thanks for helping out. I was kinda hoping you'd come by and clean this up.

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