Rock Trac NP241 Transfer Case Swap Complete Guide
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- Опубликовано: 2 окт 2024
- The NP241 transfer case offers a great option for a swap in Jeep XJ, TJ, ZJ or even WJ's. With a 4:1 low range, fixed yoke rear output, and easy install this transfer case is the rock crawlers dream. This video will feature a complete swap guide with everything you ever will need to know in order to complete this swap.
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Great info, thanks man. And props for wrestling that bear in there by yourself!
29 spline? I thought it was 23
Love this swap, i have been runnjng a jk case for a few years. I was able to get the speedo to work with a tone ring. Theres a video on my channel about it if you care, warning its long and boring lol
We need the hook up for your tone ring and sensor.
@@vin1322man call tereflex and order them
The 241 is a great tcase for a stock unit. Dont put it in 2wd until you unlock your hubs, that flange will self clearance itself.
Definitely not true. I rarely unlocked the hubs of my 1 ton LJ and never had a issue
The vehicles these came out of didn't have locking hubs
Can’t wait for this thing to be running again.
You are definitely going to like this mod. I did the same back 2010 to a 1997 XJ with AW4 auto. I had a 4" Iron Rock long arm kit. I used the T case from a 2004 Rubi. I also had to clarence the bally pan. Other then that was straight forward like you said and the Jeep was one of my daily drivers.
Finally some Muddy Beards content, good to see u back workin on the xj...👍
Getting close, Robby. Hope to see you testing, soon. 👍🏼
Is mounting the shift blade upside down an option to get around the reverse shift direction?
I checked out the 241or cases but couldnt justify the cost. Especially the tj cases not as many available and 2,500$ I will be trying froelich suspensions np231 doubler kit in my XJ.
Yeah, eBay premium definitely
Let me know how the doubler goes. I am very interested in that
@MuddyBeards4X4 Alright..I probably won't get it installed until this fall, after our CO trip
@@MuddyBeards4X4 You could use the doubler kit to put the front end of your old 231 onto the 241J to really crawl!
stoked to see you back on the channel
just did a 231 swap on my zj. the 249 was garbage. ive followed the plug build because i have 05 thuper doody axles i bought to swap in eventually. gonna enjoy the stockers while they last. Keep it up. Being a family man it takes a lot of time to get projects done.
Hi!!! I own a WJ 2000 4.7 quadradrive, recently I got the JK rubicon combo (diffs and transfer), Transfer is MODEL MP241 ratio 4.0, do you know who could sell the main shaft converter to the transmision (original from wj),
I had bought one yoke from JB Conversion 20 years ago, l also bought a Dana Spicer yoke and you can go to any machine shop and they can open it up so you can put a seal that what I did too.
The transmission-transfer case mounting plate on 05- 06 used a 6speed transmission with the transfer case will fit, all you need to do is cut the exhaust mount and move it lower down, l had this done on a 1998 TJ 4.0 NV 3500 transmission, 2004-2006 241OR
l’m surprised the 241OR cost that much, 2004 l had bought mine new from jeepRus $1600 and installed it in my TJ wrangler.
You can also used spacer metal plate on the transmission to fill the gap, that what l did I the beginning before I got a later trans mount bracket.
4wd indicator light switch and pigtail part numbers?
Is that a case from a manual or auto. Trying to do the swap and mine doesn't have same input
Doesnt the front driveshaft spin in 2wd if you're moving without unlocked hubs?
Ya going to have to unlock the hubs. I couldn't find anything online about having this issue with bigger yokes. I'm wondering if a different yoke design would work
gonna be worth it for the 4 lo!@@MuddyBeards4X4
If you don't have front hubs the front driveline spins 100% of the time, definitely clearance that shifter arm.
Ya I'll have to unlock the hubs. Not sure what others have done when using bigger yokes, but notching that blade may have to be the only option
The 4:1 rocktrac will not work with V8 ZJs and WJs, the input shaft is the wrong length.
Interesting.
Great video dude good info 👌
For the Front you could use Yukons np241 front yoke, it should be long enough to not hit the shifting linkage and then you would have to get the 1350 piece that bolts onto the flange. Part #YY NV241-1350CV-F I am about to do this same swap in my 04 WJ, looks to be a straight swap except the u joints of course, even the 4wd sensor is the same in an 04 wj. and my NP241 came out of a 2008 JK.
Little known fact. The output shaft has a slide in out stub. It is possible to change it to different spline count. Chrysler only charges 90$ for out shaft. Takes 30 seconds to change.
Does the transfer case have to be specific to the transmission? Meeting Will this transfer case boat up to an automatic or manual?
Man I was hoping for some input on speed sensor. My 231 didn't get speed signal and the Jeep threw a CEL so wondering what you did
Only the rubicon case for the jk is 4 to 1. The jk sport np241 is the 2.72 to one like the 231
Then use your old 231front end as a McDoubler to really drop your ratio down!
I think it’s great you’re opening up the range to the PD’s and for training purposes. A little income to the Ranch is better than nothing for sure.
If you made a spacer plate for on top the tranny mount that should give clearance to not cut the mount and lift the case so it isn't flush or lower than the crossmember?
good to see you back at it been wounding how the XJ going thanks for sharing
Did you have to have drivers lines adjusted?
Super excited to see this thing to come to"completion"
Where is the link to the 4x4 sensor
Nice job Robbie, can't wait to see it in action..😁😁👍👍👊
man those things are pretty hard to find out here for a decent price. most of them have a 1k price tag. I've been keeping an eye out for one, but honestly I'm not really ready to give up the 242, I like the 4 hi unlocked mode. especially with snow, and going up to browns, having the center unlocked is a huge benefit.
I always put a bit of pipe dope on the yoke splines.
my biggest problem is with the clocking variation, the front shaft would hit my 3link crossmember on the zj.
hmu if you guys do a tahuya run this year, they re did some of the rock gardens
Shoot, let me know where you can get one for $1k... I'll buy 5!
I've only seen one for less than 1600 and it had been cracked and repaired.
Ya 1k is a deal. There is a jk one on the local Facebook marketplace right now near me for 1500
Last night I had the thought that how cool would it be to swap one of these in my 97 gmc I’m Super duty swapping I think it would work great for what I plan to do with the truck. cheaper than a doubler or atlas I know it isn’t near as strong but I’m not building a dedicated rock crawler. This video was timed perfectly down the rabbit hole I go.
Haha good luck with your research
Good to know you can use a Jk case. Been looking for a tj 241 for a while but $2,500 is hard to pull the trigger on.
Ya they are very expensive
You can high Jake your speed sensor at your transmission to get a Speedo working again..
I may need to look this up
Great upgrade and video. I imagine this would work in a 89 YJ? I’ve got a limited slip on front axle Dana 30, wonder if the 2WD clearance issue would be a problem.