Kj Faq - JeepForum.com
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post #1 of 48 Old 11-28-2004, 10:12 PM Thread Starter
TJchick
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Kj Faq

Hey all! I'm working on creating a KJ faq. Would you guys mind checking over my info and giving me some feedback. Also, you all are welcome to use this info if you find it useful.
Thanks!


Oh, I don't have a KJ, but I do have one in the extended family.
-----------------------------------------

IFS=Independent Front Suspension

SAS= Solid Axle Swap

LOST Tech Info = http://www.kjjeep.com/custom2.html

Rock Crawler Review: http://www.rockcrawler.com/reviews/j...2002/index.asp

Specs: http://www.southpointjeep.com/libert.../feature6.html

In April '02 the KJ springs were lowered 3/4".

Engines:

2.4L I4

2.8L I4 Turbo CRD (Common Rail Diesel) available in '05

3.7L V6 (pictured below)

Source: http://www.rockcrawler.com

Transmissions:

NV1500, 5spd comes with the 2.4L

NV3550, 5spd comes with the 3.7L Sport model

45RFE, 4 spd auto 3.7L in '02

42RLE, 4spd (same as '03+ TJs) in '03

NSG 370, 6spd available in 2005

Tcase:

NV231 Command Trac/Part-time

NV242 Selec Trac/Full-time

Front Axle:

D30, IFS


Source: http://www.rockcrawler.com


Rear Axle:

Chrysler 8.25, 29 spline


Source: http://www.rockcrawler.com

Lockers Available for the 8.25: ARB (selectable), Detriot, and Powertrax No Slip
Limited Slip Options for the 8.25: Auburn Gear LSD, Trac-Lok LSD



Available Gear Ratios:

3.55

3.73

4.10

*Optional 4 wheel disc brakes for all models

KJ Lifts:

Rusty's 2.5" coil spacer lift, or 2.5" suspension lift http://rustysoffroad.com/

OME suspension lift 1.5" front, 1.75" rear

Day Star 2" spacer kit

RockFather 2.5" spacer kit

Rocky Road Outfitters (RRO) 2.125" spacer combo and 2.5" OTT system

Good lift info.... http://www.rocky-road.com/kjsus.html


Tire Size Chart: (How much lift for X" tire?)

http://b22.ezboard.com/fkjjeepfrm16....opicID=2.topic Sorry, this link is dead


Our DD/Trail Toy:
'04 TJ X, Khaki w/ Khaki Hard Top
4.0L, 5spd (NV3550), 231
D30/35, 3.73s, 2"BB, 31" BFG ATKO
----------------------------
Husband's Trail Rig:
'97 XJ, 2 DR SE, Dark Green
4.0L, 5spd (AX15), 231
6", 33" MTRs, D30 (truetrac), C8.25 (No Slip), 4.10s
www.JeepOnly.com

Last edited by TJchick; 05-06-2005 at 05:20 PM.
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post #2 of 48 Old 11-29-2004, 06:07 AM
PA_KJ
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Here's what I would like to see in an KJ FAQ sticky thread. These questions are asked about once every other week.

What is the difference between lowered and prelowered?

What lifts are available for the KJ?

What is the largest tire size that will fit without rubbing (with and without a lift)?

What changes have occurred between the 2002 and (present year model) KJs?

L.O.S.T. #000102
'02 Shale Green KJ Sport 4x4 My Jeep
Rusty's 2.5" Coil Spring Lift, ARB BullBar, Goodyear MT/Rs, Skid Row and Mopar skids, Hidden Hitch/WARN Shackle, Sylvania Silverstars, Hella 500 foggies, Cobra 18WXST II CB (awaiting install), Firestick antenna (on order), Black Armor mats, L.O.S.T. sticker, and a bunch of factory options
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post #3 of 48 Old 11-29-2004, 03:36 PM Thread Starter
TJchick
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Quote:
Originally Posted by PA_KJ
Here's what I would like to see in an KJ FAQ sticky thread. These questions are asked about once every other week.

What is the difference between lowered and prelowered?

What lifts are available for the KJ?

What is the largest tire size that will fit without rubbing (with and without a lift)?

What changes have occurred between the 2002 and (present year model) KJs?
OK, great! I know that the KJs were lowered 3/4" in April '02, which is the lowered/prelowered designation and makes some difference in tire fitting/lift results. I'll stick that in there along with some lift info and tire charts.

I have no idea on all of the changes for the KJs from '02 - '05. I'm still learning about all the TJ changes and working on that FAQ as well.
Thanks for the help!

Oh, I also tossed in some traction device info as well.

Our DD/Trail Toy:
'04 TJ X, Khaki w/ Khaki Hard Top
4.0L, 5spd (NV3550), 231
D30/35, 3.73s, 2"BB, 31" BFG ATKO
----------------------------
Husband's Trail Rig:
'97 XJ, 2 DR SE, Dark Green
4.0L, 5spd (AX15), 231
6", 33" MTRs, D30 (truetrac), C8.25 (No Slip), 4.10s
www.JeepOnly.com

Last edited by TJchick; 11-29-2004 at 03:46 PM.
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post #4 of 48 Old 11-30-2004, 02:00 PM
LibertyV6
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another thing is most people dont know when to use 4WD, or 4lo for that matter. (which weather/environment conditions must be present)

2004 Liberty 4x4. All Black Columbia Edition
Sunroof, 5 spoke Graphite wheels
ADDED MAGNAFLOW stainless muffler, Turbolator exhaust tip, K&N drop-in, ECLIPSE CD5000 8V HeadUnit, Infinity KAPPA speakers (all w/ Dynamat) run off RF 800a4 amp, One 12" KICKER Solo-Baric L7 subwoofer - run off RF 500a2 amp, 2 AURA under-seat bass shakers using alpine Flex2 amp, Front/ rear Mopar window flares, front slush mats, eurostyle antenna, Power Horn with Uniden PA Mic, 3" Smittybilt step rails
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post #5 of 48 Old 11-30-2004, 02:33 PM
PA_KJ
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Your missing the following available lift kits:

All J Products Frakenlift 2.5" lift kit: http://www.boulderbars.com You have to ask for it. It's not listed on the web site.

BDS Suspensions - 2" front/1.5" rear lift kit: http://www.bds-suspension.com

Revtek spacer 2" lift kit: http://www.revtek.com

Skyjacker Platinum Coil Over 2.5" lift kit (LIB250K): http://www.skyjacker.com

Skyjacker spacer 2.5" lift kit (KJ25): http://www.skyjacker.com

Teraflex spacer 2" lift kit


Additionally, a couple companies are developing large lift kits:

RockKrawler 7-up long arm lift kit: http://www.rockkrawler.com/ A picture of a 7-up equipped KJ is currently on the front page.

Superlift 4.5" lift kit: http://www.superlift.com This lift is not listed on their site either. It is probably still in development.

L.O.S.T. #000102
'02 Shale Green KJ Sport 4x4 My Jeep
Rusty's 2.5" Coil Spring Lift, ARB BullBar, Goodyear MT/Rs, Skid Row and Mopar skids, Hidden Hitch/WARN Shackle, Sylvania Silverstars, Hella 500 foggies, Cobra 18WXST II CB (awaiting install), Firestick antenna (on order), Black Armor mats, L.O.S.T. sticker, and a bunch of factory options
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post #6 of 48 Old 11-30-2004, 02:40 PM
PA_KJ
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Some more detailed information on the difference between lowered and prelowered...

All KJs produced prior to April 2002 are considered "prelowered". All KJs produced from April 2002 on are considered "lowered". Autoweek magazine rolled a 2WD KJ in a slalom test so fearing the potential fallout DC started lowering all KJs 22mm (0.87") in the front and 19mm (0.75") in the rear. There were several different front suspension set ups used throughout the earlier years so there may be several different heights for 2002s and 2003s.


Some information on model changes...

http://www.jeepforum.com/forum/showt...hlight=lowered

L.O.S.T. #000102
'02 Shale Green KJ Sport 4x4 My Jeep
Rusty's 2.5" Coil Spring Lift, ARB BullBar, Goodyear MT/Rs, Skid Row and Mopar skids, Hidden Hitch/WARN Shackle, Sylvania Silverstars, Hella 500 foggies, Cobra 18WXST II CB (awaiting install), Firestick antenna (on order), Black Armor mats, L.O.S.T. sticker, and a bunch of factory options
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post #7 of 48 Old 12-02-2004, 06:44 PM
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Which model year KJ rolled over in their test?

2004 Liberty 4x4. All Black Columbia Edition
Sunroof, 5 spoke Graphite wheels
ADDED MAGNAFLOW stainless muffler, Turbolator exhaust tip, K&N drop-in, ECLIPSE CD5000 8V HeadUnit, Infinity KAPPA speakers (all w/ Dynamat) run off RF 800a4 amp, One 12" KICKER Solo-Baric L7 subwoofer - run off RF 500a2 amp, 2 AURA under-seat bass shakers using alpine Flex2 amp, Front/ rear Mopar window flares, front slush mats, eurostyle antenna, Power Horn with Uniden PA Mic, 3" Smittybilt step rails
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post #8 of 48 Old 12-03-2004, 06:03 AM
PA_KJ
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Quote:
Originally Posted by LibertyV6
Which model year KJ rolled over in their test?
It was a 2WD 2002 Sport. Consumer Reports tested a 4WD 2002 and gave it a "thumbs up".



For more information--Jeep Liberty Rolls Over in Test
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post #9 of 48 Old 12-03-2004, 01:55 PM
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I'll read that link when I get back from work tonight.... Did the 4WD one pass because it was a heavier vehicle than the 2WD---- or because the driver engaged 4-HI in the 2nd test?

2004 Liberty 4x4. All Black Columbia Edition
Sunroof, 5 spoke Graphite wheels
ADDED MAGNAFLOW stainless muffler, Turbolator exhaust tip, K&N drop-in, ECLIPSE CD5000 8V HeadUnit, Infinity KAPPA speakers (all w/ Dynamat) run off RF 800a4 amp, One 12" KICKER Solo-Baric L7 subwoofer - run off RF 500a2 amp, 2 AURA under-seat bass shakers using alpine Flex2 amp, Front/ rear Mopar window flares, front slush mats, eurostyle antenna, Power Horn with Uniden PA Mic, 3" Smittybilt step rails
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post #10 of 48 Old 12-04-2004, 10:16 PM
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it is probly a little late for me to be asking this, but how did the 05 2wd do in roll over tests?

2005 Liberty Renagade 2WD
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post #11 of 48 Old 02-07-2005, 08:04 AM
Slipslap
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Heres a site I found for KJ parts. They have plenty of other Off-Road parts, but they have a nice list of KJ stuff. And their products seem ok from I gather. Well here it is Rock Road Outfitters Not sure if it's been mentioned before. If anyone knows anything bad about them let it out.

Last edited by Slipslap; 02-07-2005 at 08:34 AM.
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post #12 of 48 Old 02-15-2005, 10:30 AM
Gsan
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I don't think anybody mentioned the tranny change. something like a 45 tranny and a 42 tranny. I don't know all the details.
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post #13 of 48 Old 05-06-2005, 05:17 PM Thread Starter
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Quote:
Originally Posted by Gsan
I don't think anybody mentioned the tranny change. something like a 45 tranny and a 42 tranny. I don't know all the details.
The '02 had the 45RFE and was switched to a 42rLe (same as '03+ TJs) in '03 based on this link.
http://www.storesonline.com/site/573683/page/372742

I guess I should probably add that to the top, huh...

Our DD/Trail Toy:
'04 TJ X, Khaki w/ Khaki Hard Top
4.0L, 5spd (NV3550), 231
D30/35, 3.73s, 2"BB, 31" BFG ATKO
----------------------------
Husband's Trail Rig:
'97 XJ, 2 DR SE, Dark Green
4.0L, 5spd (AX15), 231
6", 33" MTRs, D30 (truetrac), C8.25 (No Slip), 4.10s
www.JeepOnly.com
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post #14 of 48 Old 05-24-2005, 11:50 AM
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Additions to the FAQ

Also worth adding, is that the 2005 CRD - despite what the "specs" say - comes with the 16inch ("Mechanica" - optional on Liberty Sport models) wheels and 225/75/R16 tires....

And that the 2005 models have a new plastic kick plate.

And possibly that the Renegade models have different hoods and front grills... (flatter hoods, bigger grills with no fog lights, as they are on the bumper (and a slightly different bumper as well))

Biodiesel: No war required.
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post #15 of 48 Old 09-12-2005, 06:41 PM
clicktracy
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In Oz we have a 2.5 I4 Turbo Diesel and I read somewhere that CRD stands for common rail direct
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