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Unread 12-31-2013, 05:27 PM   #1
WJ297
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247 to 242 swap information

I have a std 4.7 and I just completed the 247 to 242 swap. I used a regular 242, non HD. I have seen several people ask about this swap so i thought I would share a few things.
1. You have to swap input shafts. Its not to difficult but it can still be a pita in some situations.
2. For drive shafts, you need the slip yoke from the vehicle you got the tcase from, then you have to transfer that yoke to your original drive shaft. I did a little trial and error to figure this out
3. The shifter and cable is pretty basic and I have not seen any strength issues with the tcase as well.

I can elaborate on things if needed.

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Unread 01-02-2014, 08:43 PM   #2
Toreyjw1
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Where'd you get your TC from? I'm in need of one and can't find any around atlanta!
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Unread 01-02-2014, 09:45 PM   #3
WJ297
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Quote:
Originally Posted by Toreyjw1
Where'd you get your TC from? I'm in need of one and can't find any around atlanta!
I picked mine up from a local junk yard. One thing thats nice about the regular 242 is that its more common, usually. I know there are a few in junk yards near by where I live, but I am in Pasco fl. Also depends on what you want to pay for them.
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Unread 01-02-2014, 09:49 PM   #4
Toreyjw1
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Shoot, what ever they're asking. I have a 4.7 though. The only two I've found have been paired to a straight six
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Unread 01-02-2014, 09:53 PM   #5
bessyboy
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You can do a swap even though you have a v8...you have to get new driveshafts and input shaft
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Unread 01-02-2014, 09:54 PM   #6
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Or if you want the HD it can be found in the 4.7s from 2002-04 I believe
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Unread 01-02-2014, 09:58 PM   #7
WJ297
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Quote:
Originally Posted by bessyboy
You can do a swap even though you have a v8...you have to get new driveshafts and input shaft
Thats correct. I took the input shaft out of my 247 and put it in the 242 I got out of a 4.0
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Unread 01-02-2014, 10:00 PM   #8
gcjeeping
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Quote:
Originally Posted by bessyboy View Post
You can do a swap even though you have a v8...you have to get new driveshafts and input shaft
If you get a 242LD (4.0) you can swap your input shaft from your old 247 in it and it will bolt up fine. Drive shaft from the donor is a plus.

Quote:
Originally Posted by bessyboy View Post
Or if you want the HD it can be found in the 4.7s from 2002-04 I believe
242HDs are in 2000-2003 only behind 4.7 Laredo's and Limited's.

OP read this...

http://www.jeepforum.com/forum/f310/...light=242+swap
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Unread 01-02-2014, 10:03 PM   #9
bessyboy
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Oh gotcha. I thought you needed driveshafts. I plan on doing this swap soon but with the HD if I can find one
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Unread 01-02-2014, 10:11 PM   #10
WJ297
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Quote:
Originally Posted by bessyboy
Oh gotcha. I thought you needed driveshafts. I plan on doing this swap soon but with the HD if I can find one
The HD would be nice since you don't have to deal with input shafts. I couldn't find and HD for my 4.7 so I went with the LD
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Unread 01-02-2014, 10:25 PM   #11
Toreyjw1
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Oh awesome! So if I snatch out this 242 from the 4.0, I have to swap the yolks from my 247 onto the 242? The drive line is still in this donor cherokee. And is there really a difference I need to worry about with the hd and the ld? My 247 has a seized PC due the truck being driven for a while on one smaller tire. I found out a week after I bought it

I thought there was a difference due to the transmissions
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Unread 01-02-2014, 10:42 PM   #12
WJ297
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Quote:
Originally Posted by Toreyjw1
Oh awesome! So if I snatch out this 242 from the 4.0, I have to swap the yolks from my 247 onto the 242? The drive line is still in this donor cherokee. And is there really a difference I need to worry about with the hd and the ld? My 247 has a seized PC due the truck being driven for a while on one smaller tire. I found out a week after I bought it I thought there was a difference due to the transmissions
If you have a 4.7 and get a 242 from a 4.0 you will have to take the input shaft from the 247 and put it in the 242. This requires splitting the tcase. As for driveshafts I used the slip yoke from the donor jeep and kept my original drive shaft.
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Unread 01-02-2014, 11:10 PM   #13
Toreyjw1
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Since you've done this, are you capable of putting together a minimal writeup on swapping out the input shaft? Thanks for all your info
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Unread 01-02-2014, 11:42 PM   #14
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Google is your friend...

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Unread 01-03-2014, 06:49 AM   #15
Toreyjw1
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Quote:
Originally Posted by gcjeeping View Post
Haha I'm very new to Mopar. When I first bought the truck, I was highly mislead by a hand full of different websites with incorrect info. After that ordeal, I came to learn that the good folks associated with this forum know their stuff!
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