Anyone with an np242?

[El_Diablo]

I currently have an np229 and im just trying to sort the options for a new t-case since this one is getting sloppy. Has anyone done this swap? Pretty straight forward? Does the driveshaft have to be lengthend or shortened with a slip yoke eliminator? What did you do for a shifter linkage?

Any and all information is welcome aswell as pictures.


Thanks,
John

(85 grand wag)

[Elliott]

I think you will find info on that in the Offroad section. Hmmm, I was thinking of the 241. Here's info on the NP242: http://www.novak-adapt.com/knowledge/np242.htm

http://www.ifsja.org/forums/vb/showthread.php?t=13188&highlight=NP242

[El_Diablo]

ive actually already read that one but it left me wondering about the size and shifter issues

and of course the rear driveshaft is a huge question... i plan on doing a slip yoke eliminator but then what would be needed for a driveshaft?


has anyone actually completed this install?

[addicted]

SYE for those are the weaker hack and tap and you will also need to lengthen the rear shaft. You might be able to use the factory flag shifter and make up a rod for it real quick. The only issue you might run into as far as fitment would be is the clocking and input shaft length.

[El_Diablo]

they use the flange style mount on the rear driveshaft correct? so i may be able to use a conversion joint for that?

Im probably going to use the xj shifter if it fits nicely enough.

shouldn't they clock the same? and since they're based off of the same design i wouldn't imagine the input being an issue but then again im not to sure about anything

[addicted]

they use the flange style mount on the rear driveshaft correct? so i may be able to use a conversion joint for that?

Im probably going to use the xj shifter if it fits nicely enough.

shouldn't they clock the same? and since they're based off of the same design i wouldn't imagine the input being an issue but then again im not to sure about anything

They do use the flange style yoke so you'll have to get the matching half for your shaft.

The XJ shifter linkage is bolted to the body and is very cheesy and unreliable when the body and frame get a little twisted up. Not to mention it is huge and will take up a good amount of space.

They might clock the same but if they don't it shouldn't be different enough to cause a problem. I haven't actually done the 242 in place of a 229 swap but have a 242 in my GW behind an AW4 and 4.0 from an XJ. I attempted to use the 229 but the input housing was too long.

The 242 came with a few different input shaft lengths so you will need to find one that is the same length as the 229 or you will lose all your trans fluid on the ground. You will also need to make sure it is from a '91 or newer XJ so that it has the 23 spline input.

[El_Diablo]

well what im thinking of is using the actual xj shifter and just modifying the linkage a bit

wonder how much it would cost to have the driveshaft done... If i do the swap it would be nice to get it done for under $600 at the very most

[addicted]

I just got both of my shafts lengthened and I supplied the u-joints for just under $300. They are both from a '93 XJ and the front CV needed rebuilt. The rear was a little over $100 but it is just a straight tube with the slip yoke end.

[El_Diablo]

bump

[El_Diablo]

anyone know if the yoke in this link would mate to my drive shaft?

http://www.go.jeep-xj.info/HowtoSYEconversion.htm

its a CV style but i should be able to use straps on it still correct? or what would be the best method?





has anyone ever done a cable operated np242 or was there ever a factory cable operated 242? also, is the np242 longer? im guessing it is but im not sure?

[addicted]

anyone know if the yoke in this link would mate to my drive shaft?

http://www.go.jeep-xj.info/HowtoSYEconversion.htm

its a CV style but i should be able to use straps on it still correct? or what would be the best method?





has anyone ever done a cable operated np242 or was there ever a factory cable operated 242? also, is the np242 longer? im guessing it is but im not sure?

I read that before and it seems to be the best option for strength when putting a SYE on a 242. That will bolt up to your drive shaft if you put the double cardan on the end. It uses a through bolt like the front output on our t-cases. The 242 is smaller then the 229 and is about .5" shorter in it's stock form then my 208 which I believe is shorter then the 229. So after a SYE install, it will be shorter and you might not need to do anything to the rear drive shaft except add the double cardan joint. But you won't know until it's in and you get a proper measurement.

The 242 had always been lever operated but I don't see why you wouldn't be able to do it.

How hard are you planning on wheeling you Jeep? If you are planning a big lift and tires in the future you might want to reconsider the 242 for a 208 or 231 with a SYE. If not then it will be fine and is a good choice for a full time case without the viscous coupler that the 229 has.

[skeletor]

i have been abusing the np242 in my 98 zj for 7 years now, its great for snow. i dont know if the shifter is different in a zj (i would assume it is) vs the xj version. but personally i would just find another np229/228, you would be basically getting the same thing and a lot easier to hook up.

[El_Diablo]

nice thing about the 242 is that there is no viscous coupler to burn up and it gives the option of part time or full time 4wd hi instead of just full time as with the 229

ive heard of them living under some harsh conditions, the largest tires i will put under my jeep are probably 37's and im more finesse than throttle

[addicted]

Then it should work out well for you. I also know where you can get one if you do go that route.;)

[El_Diablo]

i plan to, its just getting the money together for everything... right now i have to get the exhaust done and then rebuild the q-jet i just picked up and then i'll be doing the 242 hopefully

[jaber]

Dont forget to take notes and pics for the write up...:thumbsup:

[El_Diablo]

haha, will do but im sure it will take me some time unless you guys want to start an "El_Diablo Engineers the NP242 Solution" fund, lol