Transfer cases and their interchangeability - Page 2 - Dodge Durango Forum
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post #16 of 57 Old 06-05-2009, 01:28 AM
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Originally Posted by 4Lo View Post
So I should be looking for an np242 then??
If you want or need the full time option.

The 231 is considered to be a stronger t-case though and there is more aftermarket support for them than there is for the 242.

Russ
His-SASed 02 Dakota Quad Cab Sport 4x4 4.7 NV3500 5spd/Std D44/9.25" 4.88s lockers frt/rr 35" ProComp Extreme MTs frt EPi 9k Superwinch rear LP 8.5k Superwinch
Also his: 09 Power Wagon Hemi 4.56 gears 285/70R17 Duratracs factory winch and lockers
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post #17 of 57 Old 06-05-2009, 03:48 AM
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Quote:
Originally Posted by Trouble Maker View Post
If you want or need the full time option.

The 231 is considered to be a stronger t-case though and there is more aftermarket support for them than there is for the 242.
The 231 being a stronger case depends on who you talk to. The 242 has a larger case, which typically represents a stronger case and internals.

Just some background transfer case info for you to know...

1. The first number designates the number of gear ranges (most of them being 2-ranges (4HI and 4LO), yet some of them have only one range). NV2XX

2. The second number designates the case size, which typically has a direct relation with the strength and use of the transfer case. NV23X, NV24X, & NV27X

3. The third number designates how the transfer case is actuated (shifts). NV231, NV233, NV242, NV243
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post #18 of 57 Old 06-05-2009, 03:55 AM Thread Starter
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why or when would i need the full time option though??

My axle swap thread.
http://http://www.dakota-durango.com/forum/showthread.php?t=142709
2003 Dakota SAS Dana 44, 9 Inch, 35''tires, ARB and 4.88's
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post #19 of 57 Old 06-05-2009, 04:18 AM
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full time like having awd you can have it in all the time just like 2wd.i used that mode alot in my jeep when the road were really bad in the winter.& part time i used only when i really needed 4 wheels drive & 4lo i never used.


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post #20 of 57 Old 06-05-2009, 05:31 AM
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Quote:
Originally Posted by HemiDak View Post

2. The second number designates the case size, which typically has a direct relation with the strength and use of the transfer case. NV23X, NV24X, & NV27X
This applies more to the later New Venture models since the mid 90s or so and doesn't encompass the earlier New Process models such as the 203, 205 & 208.

Quote:
Originally Posted by HemiDak View Post
3. The third number designates how the transfer case is actuated (shifts). NV231, NV233, NV242, NV243
Doesn't hold true in all cases like the 247, 249 and a few others.

Russ
His-SASed 02 Dakota Quad Cab Sport 4x4 4.7 NV3500 5spd/Std D44/9.25" 4.88s lockers frt/rr 35" ProComp Extreme MTs frt EPi 9k Superwinch rear LP 8.5k Superwinch
Also his: 09 Power Wagon Hemi 4.56 gears 285/70R17 Duratracs factory winch and lockers
Hers-03 Dakota Quad Cab Sport 4x4 4.7 545RFE 5spd/Auto 3.92 L/S 265/75R16 Dueler RVTs 5th wheel hitch
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post #21 of 57 Old 06-05-2009, 07:39 AM
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Originally Posted by Trouble Maker View Post
This applies more to the later New Venture models since the mid 90s or so and doesn't encompass the earlier New Process models such as the 203, 205 & 208.
Since we're not living in the 80's and 90's anymore, those models have little relevance to us anymore.

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Doesn't hold true in all cases like the 247, 249 and a few others.
It actually does if you know your transfer case terminology like I do.
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post #22 of 57 Old 06-05-2009, 08:49 AM
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Since we're not living in the 80's and 90's anymore, those models have little relevance to us anymore.
Actually some do since the 231/242 have been in use since the early 80s and though they are similar there are differences both internally and externally that make a difference when sourcing parts for replacement or upgrading. It is best to be aware of these similarities and differences so you don't get burned when buying something that "should fit" because the numbers are the same.



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Originally Posted by HemiDak View Post
It actually does if you know your transfer case terminology like I do.
I know what they stand for also but it is not whether they are shifted manually or electrically in this instance.

Those of you that think you know it all are annoying to those of us that do.

Russ
His-SASed 02 Dakota Quad Cab Sport 4x4 4.7 NV3500 5spd/Std D44/9.25" 4.88s lockers frt/rr 35" ProComp Extreme MTs frt EPi 9k Superwinch rear LP 8.5k Superwinch
Also his: 09 Power Wagon Hemi 4.56 gears 285/70R17 Duratracs factory winch and lockers
Hers-03 Dakota Quad Cab Sport 4x4 4.7 545RFE 5spd/Auto 3.92 L/S 265/75R16 Dueler RVTs 5th wheel hitch
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post #23 of 57 Old 06-05-2009, 12:27 PM
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so your saying you think you know it all also?


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post #24 of 57 Old 06-05-2009, 12:56 PM
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post #25 of 57 Old 06-06-2009, 02:48 AM
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Quote:
Originally Posted by 4Lo View Post
why or when would i need the full time option though??
having full-time (AWD) is nice anytime. You'll always have traction, you don't have to worry about whether or not you need 4wd. I've done a lot of serious off-roading and never gone into hi or lo lock on mine. Hell, the blizzard we had in '06/'07, 3ft of snow from one 36 hr storm, I was out transporting emergency personel, I was in 4hi (AWD mode) the entire time making my own roads and dodging portable snow drifts. Never once need lock.

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post #26 of 57 Old 06-06-2009, 05:21 AM
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so your saying you think you know it all also?
Not anymore, as I get older I have relinquished that title to my children, just like my dad did to me during my teen years.

Russ
His-SASed 02 Dakota Quad Cab Sport 4x4 4.7 NV3500 5spd/Std D44/9.25" 4.88s lockers frt/rr 35" ProComp Extreme MTs frt EPi 9k Superwinch rear LP 8.5k Superwinch
Also his: 09 Power Wagon Hemi 4.56 gears 285/70R17 Duratracs factory winch and lockers
Hers-03 Dakota Quad Cab Sport 4x4 4.7 545RFE 5spd/Auto 3.92 L/S 265/75R16 Dueler RVTs 5th wheel hitch
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post #27 of 57 Old 06-06-2009, 05:51 AM Thread Starter
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It looks as though that there is a fair amount of aftermarket suport for the np231 as well. Short shaft kits 4:1 kits and I like that there is a kit for a vss. This would come in handy for the sas swap.

My axle swap thread.
http://http://www.dakota-durango.com/forum/showthread.php?t=142709
2003 Dakota SAS Dana 44, 9 Inch, 35''tires, ARB and 4.88's
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post #28 of 57 Old 06-06-2009, 07:00 AM
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Quote:
Originally Posted by Trouble Maker View Post
Actually some do since the 231/242 have been in use since the early 80s and though they are similar there are differences both internally and externally that make a difference when sourcing parts for replacement or upgrading. It is best to be aware of these similarities and differences so you don't get burned when buying something that "should fit" because the numbers are the same.
I was talking about the models I quoted like the 203, 205, & 208.

Quote:
Originally Posted by Trouble Maker View Post
I know what they stand for also but it is not whether they are shifted manually or electrically in this instance.
Since the topic of this thread is about putting a manual case into a truck made for an electronic case, this thread is indeed about the compatibility between the two.

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Those of you that think you know it all are annoying to those of us that do.
I get that a lot, and it still makes me laugh every time I read it.
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post #29 of 57 Old 06-07-2009, 07:56 PM Thread Starter
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anybody else have an opinion?? Anybody here ever swapped t-cases before? I'll possibly be looking at doing this swap in the fall/ winter. Ima guessing ima gonna loose part of my factory console to cut through the trans tunnel to allow for the shifter.

My axle swap thread.
http://http://www.dakota-durango.com/forum/showthread.php?t=142709
2003 Dakota SAS Dana 44, 9 Inch, 35''tires, ARB and 4.88's
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post #30 of 57 Old 06-08-2009, 05:49 PM
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If you have the money get a atlas transfer case..
If you want a stock transfer case i would go 231.
should bolt right up.
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