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25-01-2011
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I just registered
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Join Date: Jan 2011
Posts: 12 What Jeep do I drive?: KJ
Likes: 0
Liked 0 Times in 0 Posts
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Hi, i am new guy here, own & love my 2005 Cherokee CRD.
After last years trip down south ( we live in Perth) i decided that lift is a must.
Went to Ian Diffen - local tyre place and installed King springs keeping stock shocks.
It suppose to be 2 inch lit, ended up with 30mm at the front, 60mm at the rear.
Is that normal or they used wrong springs? i suppose to do it at Wilkinson suspension but they didn't offer any finance options - i wish i could afford it straight away. Should i call Ian Diffen about it?
Thanks in advance, martin
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26-01-2011
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Greying Nomad
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Join Date: May 2003
Location: Brisbane (Ex SA)
Age: 77
Posts: 1,634 What Jeep do I drive?: WK2
Likes: 0
Liked 8 Times in 6 Posts
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If they used the front springs intended for the petrol motor then yes, they were the wrong ones. The diesel is considerably heavier and needs stiffer front springs than the 3.7L V6.
Petrol uses the King KJFR-27, CRD uses the KJFR-27HD (Heavy Duty). Check which ones they fitted.
Stock front shocks will be OK, but check that the rear shocks have enough travel - you don't want the shock to be limiting your downward travel or you will soon knock them to bits on the rough stuff.
__________________
Still a KJ lover, even though I now own a WK2 Limited CRD
Last edited by Pipeliner; 26-01-2011 at 06:09 AM.
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26-01-2011
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AJOR Silver
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Join Date: Sep 2007
Posts: 4,449 What Jeep do I drive?: KJ
Likes: 1
Liked 171 Times in 115 Posts
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Lifting a KJ (or any vehicle) involves a whole set of things that need to be addressed: struts, shocks, spring capacity, bump stops, brake lines, etc and the design of the 'system' needs to take into account the differing weight of the various models (ie, Petrol and CRD), whether you have other accessories that affect the springing (bull bar, dual batteries, winch, etc), and of course what you want the vehicle to be able to do offroad. A good suspension designer will take all of that into account in recommending a solution. The problem with many generic suspension / lift providers is that they do not have the specialised knowledge of the vehicle they are lifting and will stick in their standard products. In the case of KJs, asking here first is always a good idea because of the body of knowledge available to assist.
Now if you are looking for a good rear shock replacement have a look at the Old Man Emus (N132)s, they also come in a longer travel one (N132L) but you probably won't need that length.
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26-01-2011
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I just registered
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Join Date: Jan 2011
Posts: 12 What Jeep do I drive?: KJ
Likes: 0
Liked 0 Times in 0 Posts
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Quote:
Originally Posted by Pipeliner
If they used the front springs intended for the petrol motor then yes, they were the wrong ones. The diesel is considerably heavier and needs stiffer front springs than the 3.7L V6.
Petrol uses the King KJFR-27, CRD uses the KJFR-27HD (Heavy Duty). Check which ones they fitted.
Stock front shocks will be OK, but check that the rear shocks have enough travel - you don't want the shock to be limiting your downward travel or you will soon knock them to bits on the rough stuff.
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Hi, funny thing is the springs they used appear to be ironman, i was told they
Kings... bit misleading? They used JEEP014B at the front, 15B at rear, are they correct ones for diesel?
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26-01-2011
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CrawlerStar
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Join Date: Dec 2010
Location: Windsor, NSW
Posts: 299 What Jeep do I drive?: KJ
Likes: 0
Liked 7 Times in 6 Posts
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Yep, there ironman spring numbers..
I've read a few posts about similar experiences with the Ironman springs.
Read this
http://www.4x4community.co.za/forum/...ad.php?t=19311
and
http://www.ausjeepoffroad.com/forum/...hlight=ironman
Lucky, as I just bought King springs, hopefully getting fitted soon...
EDIT...
BTW
They are the petrol springs.
JEEP014C are the diesel springs
Page 24
http://www.ironman4x4.com/pdfs/suspe...march_2009.pdf
Add:
FRONT SPRING 40mm JEEP CHEROKEE LIBERTY KJ
Model: JEEP014B
Manufacturer: IRONMAN
Date Added: Wednesday 11 November, 2009
FRONT COIL SPRINGS 40mm PERFORMANCE/PETROL 0-50kg JEEP CHEROKEE LIBERTY KJ 2001 on DIMENSIONS OF SPRING: free height:375mm, wire diameter:16.5mm, end ... more info
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Cheers
Dave
2015 KL Limited with all the goodies.
ex 06 KJ CRD Renegade, Lifted and GDE Tuned
Last edited by MadKaw; 26-01-2011 at 06:55 PM.
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26-01-2011
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I just registered
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Join Date: Jan 2011
Posts: 12 What Jeep do I drive?: KJ
Likes: 0
Liked 0 Times in 0 Posts
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Thanks heaps ! I'll be at Ian Diffens tomorrow... angry as hell 
Those "professionals" forgot to connect my glow plug module while doing their job,
engine light came up and gave me bit of a headache, luckily friend works for auto electrics and found this stuff up... Chrysler Jeep Dodge stealership quoted me 140 bucks to find the problem. One more question - there wouldn't be any other reason
for them to install petrol springs, like stock shock travel?
Martin
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27-01-2011
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No Winching
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Join Date: Nov 2006
Location: Brisbane
Age: 57
Posts: 3,174 What Jeep do I drive?: KJ
Likes: 30
Liked 31 Times in 26 Posts
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Quote:
Originally Posted by martinez1972
One more question - there wouldn't be any other reason
for them to install petrol springs, like stock shock travel?
Martin
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The Only other reason would be they have no idea...
They are the wrong springs and they will not handle the weight of the CRD. Even ARB had to re-engineer their CRD coils as they were originally not strong enough for the CRD, so a set of Ironman petrol coils will last about 20minutes in there. IF they said they were putting in KING SPRINGS, I'd be going back and demanding KING SPRINGS not just the correct Ironman ones.
With all things theres a reason why they are cheaper.... 
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