I'm tired of having only 4hi so I was looking at swapping the t-case
anybody try this or know how difficult it might be?

thanks

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03 Liberty Renegade
Frankenlift (OME)
ARB Bumper
Warn Winch
Flowmaster 40

T-case go out? or will it not shift into 4-lo,need more info to helpout.By the way changing a t-case is not hard at all.

nope I do have 4low still
I just want 4full time - with the weather being as rainy as it has 4full would be nice. I might be able to get a t-case out of a broken down grand cherokee its a selec-trac NV242. It looks like a simple job but you never know.

_________________
03 Liberty Renegade
Frankenlift (OME)
ARB Bumper
Warn Winch
Flowmaster 40

Going from a command trac to select-trac is very involved and pricy,new t-case,shifter and linkage,possible driveshafts(due to the 2 t-cases being different lengths),and not sure a Grand t-case will work with a KJ(may have different output spline counts,input splines should be the same,should be not 100% sure).

hmm not encouraging news
is there a t-case I could swap out with the 4full mode that you know of?

I know of a couple of KJ's that just went to a junk yard so if theyre set up I may be able to get all the parts from them

_________________
03 Liberty Renegade
Frankenlift (OME)
ARB Bumper
Warn Winch
Flowmaster 40

A KJ with a select-trac is the best bet.Just remember you need the shifter housing(and of course the shifter),linkage,t-case, and driveshafts(just to be safe).Just remember also your dash lights for 4-hi,4-full,and 4-lo will not operate correctly because the computer still thinks you have a command-trac t-case.

Somebody did the swap of a KJ commandtrac to a kj selecttrac...I forget if it was here or kjcountry...so it has been done.

_________________
Brian, Blue KJ in PA
LOST#99, Mid-Atlantic LOST
Blue 2003 KJ Sport

RL Super Skinks

I remember that,he kept getting a command-trac t-case labeled as a select-trac and I believe he gave up on it.

No, I didn't give up! It was successful & works great. A Grand Cherokee t-case might work, if you get a 27-spline slip yoke with it. The KJ has a 32-spline output shaft & slip yoke. I did a write up at KJ Country in the How-To section:
http://www.jeepkj.com/forum/showthread.php?t=32339[/url]

The Full Time case has had some failures. The Part Time case has had none. So some people have gone the other way around.

I personally LOVE my Full Time 4WD. Whenever it's raining or snowing, I just throw it into 4WD and drive with confidence.

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Adam
KJ is SOLD for a JK Rubi Unlimited!
2003 Renegade.

http://www.cardomain.com/ride/3199258

JeepTales

I love commandtrak.... no complaints.

just need a rear locker and my rig is done.

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Neo Film + Video
http://www.neofilm.tv

2004 3.7L KJ
BFG AT's
ARB Bull Bar
Frankenlifted
Hella 500's
Mopar Skids

Actually, my 231 DID fail! I had been planing the swap for a couple years, but the reason that I finally quit procrastinating was because my command-trac crapped out! The NV/NP 242 is a very strong case & was used in the H1 Hummer... the big bad one that weighs ~6000 lbs, can climb 3 foot walls, 60 degree+ inclines etc...

I have no worries!

To bad the 242J is not used in the H1,H1's get the special built 242AMG and uses 32 spline inputs and outputs compared to the KJ's 23spline input and 27 spline outputs(the 242J is a much weaker version).In '96+ H1's went to the 218AMG t-case which is a monster t-case with 32 spline input/outputs also.

so would a 242 still fit or would I be changing half the drivetrain if I could find one of those?

_________________
03 Liberty Renegade
Frankenlift (OME)
ARB Bumper
Warn Winch
Flowmaster 40

Sorry I got the #'s mixed up,the 242J is available in the KJ,but is a weaker version using 23spline inputs and 27 spline outputs.The 242AMG is a special built version for the H1's using 32slpine in/outputs and was only used till '95 then H1'a went to a much beefier 218AMG t-case.There are different version of the same t-case alot and made for different apps,they may have the same # but are much weaker/stronger depending on the application is was intended for.The 231J(or HD is offered) is a much stronger t-csae then the 242J t-case just you don't get fulltime 4x4 option.

so what would be the best recommendation transfer case wise to add to a a much beefier mod in the future the cough cough mod
not sure I'll do that mod it depends on funds but as long as were swapping major parts out I figure a beefier transfer case would be a good addition - and I would like 4full

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03 Liberty Renegade
Frankenlift (OME)
ARB Bumper
Warn Winch
Flowmaster 40

Excuse my ignorence, but wouldn't you have to put a diff in the front as well?

_________________
Neo Film + Video
http://www.neofilm.tv

2004 3.7L KJ
BFG AT's
ARB Bull Bar
Frankenlifted
Hella 500's
Mopar Skids

Both the 231 I removed & the 242 I installed had 32 spilne output shafts. The WJ has a 27 spline shaft, but so does the WJ & XJ 231.

My point is, I don't think the 242 case is a weak case. Especially when comparing a KJ 231 & a KJ 242, I don't think one could say the 242 is weak & the 231 is strong... And no one can say the 231 does not fail, there is a busted 231 with only 70,000 miles on the floor of my garage!

Then you didn't get a 242J.There are many versions of the same t-cases,some are HD versions.The 231 has a HD version.Look at the 241 t-case,made for 3/4-1 ton GM and Dodge pickups is the same t-case as in the Rubicons,but the 241 in the Rubicons have the 4:1 low and a wider chain making it much stronger than a regular 241.

I just ran out & checked, & It is a 242J. But I agree with you that there are going to be differences between cases with the same number, I am not arguing against that. Me & my KJ are currently in Cincinnati, so I can't check my WJ 242 part tag to see if it is a 242J, but I think it is, & it has a 27-spline output shaft.

Like I said before the argument I am making is that the 242 is not a weak t-case as compared to the 231, and just like any piece of mechanical equipment, the 231 can & does fail.