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Old 05-24-2018, 10:11 PM
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Rubicon Express 4" vs 4.5 " Kit

My 94 YJ is in desperate need of better springs.
It already has about 4' of lift due to springs the PO installed.
Don't know what brand but there is No give to these things.
And there is an overload spring in the rear pack!

And the shackles appear to be long home made versions.
I like the Rubicon Express kit but am not sure of which one to get.
This is mainly a hunting/camping rig.
Running 33 ' Toyo MT's and am happy with that size.
Just wondering if anybody has had experience with both kits on a YJ.
My wife has back problems and would prefer the softer riding one if there is a difference.
And yeah.I know its a YJ and soft ride is not part of the deal.

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Old 05-24-2018, 11:15 PM   #2
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I do actually.... on MY 94 yj.... the 4" springs are JUNK compared to the 4.5's.... i went w the re 4" standard duty and my springs were in BAD shape after 6 months.... the extreme duty 2.5" springs I had before them lasted me 6 years and were still in great shape when I swapped em out.... I ditched the 4's and bought the 4.5" extreme duty springs and have been beating the crap out of them for a few years now.... soft riding and the flexiest yj springs I've ever seen.
Btw yj's ABSOLUTELY CAN ride soft.... mine rides like a stock tj....
Pic below.... has 33 10.50s
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Currently in the stable: ... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 05-24-2018, 11:51 PM
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Flex is a big plus.
I am going the same way with my tires once I get the suspension sorted out.
It has 33x12.50's on 10" rims that I am sure contributed to having the rear axle bearings just replaced.
Toyo makes the MT in a 33x10.50 that should be a better fit for my woods and mountain trails.
Good looking rig you have there.
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Old 05-25-2018, 12:28 AM   #4
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Thanks... it has 270k miles on it...
Check out the KM2 33 10.50s.... I have em on 2 jeeps and LOVE em
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Currently in the stable: ... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 05-26-2018, 04:46 AM
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Kinda happy with the Toyo's.
Great in the mud and loose stuff I frequently find myself in.
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Old 05-28-2018, 09:47 AM
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Any other thoughts on my choices.?
Hate to spend money on the wrong choice.
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Old 05-30-2018, 10:31 PM
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Hello ?
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Old 05-30-2018, 11:02 PM   #8
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Hello
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I come in peace.... I mean you no harm
Currently in the stable: ... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 05-31-2018, 06:53 AM
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Did you do the install yourself ?
I looked at the kit but it includes a lot of parts I don't need.
Just need the springs and shackles.
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Old 05-31-2018, 09:07 AM   #10
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I didn't buy a kit... I bought springs from RE and shackles elsewhere

I searched the spring part numbers on ebay and got em from the lowest priced seller w good feedback.

Yes I do all of my own wrenching.
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I come in peace.... I mean you no harm
Currently in the stable: ... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 05-31-2018, 11:32 AM   #11
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GTGF, since you didn't buy the kit, what shocks did you use to get a good ride?
I'm happy with my setup, but other folks following this thread might want to know.

Good Luck, L.M.
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Old 05-31-2018, 01:06 PM   #12
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Sadly I can't remember.... I've been meaning to look close and see If I can find a name or part number on them....
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I come in peace.... I mean you no harm
Currently in the stable: ... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 05-31-2018, 07:56 PM
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I plan on keeping the Bilstein 5100's on mine.
Was told they are a good match with the RE springs.

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