For starters the driveshafts are on the wrong side. Not really a
compatible swap.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

mark wrote:
>
> I was only asking because I would like to repower the Jeep and I know a guy
> with a 4.0 with transmission and transfer case all for sale.
>
> "Jeff Strickland" <crwlr@yahoo.com> wrote in message
> news:-fWdnVtoz9Ia4CvZnZ2dnUVZ_vydnZ2d@ez2.net...
> >
> > "Aaron" <aaron.bright@us.army.mil> wrote in message
> > news:1152800557.838630.216930@m73g2000cwd.googlegr oups.com...
> >> What year CJ and model T-Case do you have?
> >> 18? 300? 20? Quadra?...
> >>
> >> The only reason I can see swapping a Dana 300 for an NP231 is a
> >> monetary one. If you're doing this because you destroyed your
> >> current T-Case and you have a 231 on hand than I can kind-of see the
> >> where you're coming from. However, if it's because you think the
> >> 231 would be better than your current operational T-Case, then you
> >> probably want to take another look at what you want to do. The only
> >> weakness to a 300 is the tiny 26 spline output shaft which can be
> >> changed to a 32 for cheaper than you could get a new T-Case.
> >> They also sell overhaul kits for all of these T-Cases'. If the
> >> monetary situation I described above is what you're looking at, than
> >> this is what I suggest; find a way to sell the 231 you have (ebay, swap
> >> meet, YJ Buddy) and use the money to fix your stock unit. You can get
> >> any pat you need from Advanced Adapters (1-800-350-2223). They're
> >> very knowledgeable and they can talk you through any options you might
> >> be considering to help you find a solution.
> >>
> >
> >
> > It can not possibly be cheaper to fix a D<anything>, or buy a new one,
> > than to swap a D<anything> to an NP231. There can be no monetary
> > motivation for this swap, and the mechanical advantage of the D<anything>
> > over the NP231 pretty much overshadows the weigh improvement one might
> > gain by the swap.
> >
> > There is no reason to take this giant leap backwards.
> >
> >
> >
> >> Hope this helps
> >> -Aaron
> >>
> >

 

For starters the driveshafts are on the wrong side. Not really a
compatible swap.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

mark wrote:
>
> I was only asking because I would like to repower the Jeep and I know a guy
> with a 4.0 with transmission and transfer case all for sale.
>
> "Jeff Strickland" <crwlr@yahoo.com> wrote in message
> news:-fWdnVtoz9Ia4CvZnZ2dnUVZ_vydnZ2d@ez2.net...
> >
> > "Aaron" <aaron.bright@us.army.mil> wrote in message
> > news:1152800557.838630.216930@m73g2000cwd.googlegr oups.com...
> >> What year CJ and model T-Case do you have?
> >> 18? 300? 20? Quadra?...
> >>
> >> The only reason I can see swapping a Dana 300 for an NP231 is a
> >> monetary one. If you're doing this because you destroyed your
> >> current T-Case and you have a 231 on hand than I can kind-of see the
> >> where you're coming from. However, if it's because you think the
> >> 231 would be better than your current operational T-Case, then you
> >> probably want to take another look at what you want to do. The only
> >> weakness to a 300 is the tiny 26 spline output shaft which can be
> >> changed to a 32 for cheaper than you could get a new T-Case.
> >> They also sell overhaul kits for all of these T-Cases'. If the
> >> monetary situation I described above is what you're looking at, than
> >> this is what I suggest; find a way to sell the 231 you have (ebay, swap
> >> meet, YJ Buddy) and use the money to fix your stock unit. You can get
> >> any pat you need from Advanced Adapters (1-800-350-2223). They're
> >> very knowledgeable and they can talk you through any options you might
> >> be considering to help you find a solution.
> >>
> >
> >
> > It can not possibly be cheaper to fix a D<anything>, or buy a new one,
> > than to swap a D<anything> to an NP231. There can be no monetary
> > motivation for this swap, and the mechanical advantage of the D<anything>
> > over the NP231 pretty much overshadows the weigh improvement one might
> > gain by the swap.
> >
> > There is no reason to take this giant leap backwards.
> >
> >
> >
> >> Hope this helps
> >> -Aaron
> >>
> >

 

It makes more sense to take the 4.0 and dump the transmission and tcase on
eBay.

You will have your plate pretty full getting the 4.0 to work right because
you will need to graft in the computer.




"mark" <mark@islandtelecom.com> wrote in message
news:YAvtg.9912$pu3.227710@ursa-nb00s0.nbnet.nb.ca...
>I was only asking because I would like to repower the Jeep and I know a guy
>with a 4.0 with transmission and transfer case all for sale.
>
> "Jeff Strickland" <crwlr@yahoo.com> wrote in message
> news:-fWdnVtoz9Ia4CvZnZ2dnUVZ_vydnZ2d@ez2.net...
>>
>> "Aaron" <aaron.bright@us.army.mil> wrote in message
>> news:1152800557.838630.216930@m73g2000cwd.googlegr oups.com...
>>> What year CJ and model T-Case do you have?
>>> 18? 300? 20? Quadra?...
>>>
>>> The only reason I can see swapping a Dana 300 for an NP231 is a
>>> monetary one. If you're doing this because you destroyed your
>>> current T-Case and you have a 231 on hand than I can kind-of see the
>>> where you're coming from. However, if it's because you think the
>>> 231 would be better than your current operational T-Case, then you
>>> probably want to take another look at what you want to do. The only
>>> weakness to a 300 is the tiny 26 spline output shaft which can be
>>> changed to a 32 for cheaper than you could get a new T-Case.
>>> They also sell overhaul kits for all of these T-Cases'. If the
>>> monetary situation I described above is what you're looking at, than
>>> this is what I suggest; find a way to sell the 231 you have (ebay, swap
>>> meet, YJ Buddy) and use the money to fix your stock unit. You can get
>>> any pat you need from Advanced Adapters (1-800-350-2223). They're
>>> very knowledgeable and they can talk you through any options you might
>>> be considering to help you find a solution.
>>>
>>
>>
>> It can not possibly be cheaper to fix a D<anything>, or buy a new one,
>> than to swap a D<anything> to an NP231. There can be no monetary
>> motivation for this swap, and the mechanical advantage of the D<anything>
>> over the NP231 pretty much overshadows the weigh improvement one might
>> gain by the swap.
>>
>> There is no reason to take this giant leap backwards.
>>
>>
>>
>>> Hope this helps
>>> -Aaron
>>>
>>
>
>

 

It makes more sense to take the 4.0 and dump the transmission and tcase on
eBay.

You will have your plate pretty full getting the 4.0 to work right because
you will need to graft in the computer.




"mark" <mark@islandtelecom.com> wrote in message
news:YAvtg.9912$pu3.227710@ursa-nb00s0.nbnet.nb.ca...
>I was only asking because I would like to repower the Jeep and I know a guy
>with a 4.0 with transmission and transfer case all for sale.
>
> "Jeff Strickland" <crwlr@yahoo.com> wrote in message
> news:-fWdnVtoz9Ia4CvZnZ2dnUVZ_vydnZ2d@ez2.net...
>>
>> "Aaron" <aaron.bright@us.army.mil> wrote in message
>> news:1152800557.838630.216930@m73g2000cwd.googlegr oups.com...
>>> What year CJ and model T-Case do you have?
>>> 18? 300? 20? Quadra?...
>>>
>>> The only reason I can see swapping a Dana 300 for an NP231 is a
>>> monetary one. If you're doing this because you destroyed your
>>> current T-Case and you have a 231 on hand than I can kind-of see the
>>> where you're coming from. However, if it's because you think the
>>> 231 would be better than your current operational T-Case, then you
>>> probably want to take another look at what you want to do. The only
>>> weakness to a 300 is the tiny 26 spline output shaft which can be
>>> changed to a 32 for cheaper than you could get a new T-Case.
>>> They also sell overhaul kits for all of these T-Cases'. If the
>>> monetary situation I described above is what you're looking at, than
>>> this is what I suggest; find a way to sell the 231 you have (ebay, swap
>>> meet, YJ Buddy) and use the money to fix your stock unit. You can get
>>> any pat you need from Advanced Adapters (1-800-350-2223). They're
>>> very knowledgeable and they can talk you through any options you might
>>> be considering to help you find a solution.
>>>
>>
>>
>> It can not possibly be cheaper to fix a D<anything>, or buy a new one,
>> than to swap a D<anything> to an NP231. There can be no monetary
>> motivation for this swap, and the mechanical advantage of the D<anything>
>> over the NP231 pretty much overshadows the weigh improvement one might
>> gain by the swap.
>>
>> There is no reason to take this giant leap backwards.
>>
>>
>>
>>> Hope this helps
>>> -Aaron
>>>
>>
>
>

 

It makes more sense to take the 4.0 and dump the transmission and tcase on
eBay.

You will have your plate pretty full getting the 4.0 to work right because
you will need to graft in the computer.




"mark" <mark@islandtelecom.com> wrote in message
news:YAvtg.9912$pu3.227710@ursa-nb00s0.nbnet.nb.ca...
>I was only asking because I would like to repower the Jeep and I know a guy
>with a 4.0 with transmission and transfer case all for sale.
>
> "Jeff Strickland" <crwlr@yahoo.com> wrote in message
> news:-fWdnVtoz9Ia4CvZnZ2dnUVZ_vydnZ2d@ez2.net...
>>
>> "Aaron" <aaron.bright@us.army.mil> wrote in message
>> news:1152800557.838630.216930@m73g2000cwd.googlegr oups.com...
>>> What year CJ and model T-Case do you have?
>>> 18? 300? 20? Quadra?...
>>>
>>> The only reason I can see swapping a Dana 300 for an NP231 is a
>>> monetary one. If you're doing this because you destroyed your
>>> current T-Case and you have a 231 on hand than I can kind-of see the
>>> where you're coming from. However, if it's because you think the
>>> 231 would be better than your current operational T-Case, then you
>>> probably want to take another look at what you want to do. The only
>>> weakness to a 300 is the tiny 26 spline output shaft which can be
>>> changed to a 32 for cheaper than you could get a new T-Case.
>>> They also sell overhaul kits for all of these T-Cases'. If the
>>> monetary situation I described above is what you're looking at, than
>>> this is what I suggest; find a way to sell the 231 you have (ebay, swap
>>> meet, YJ Buddy) and use the money to fix your stock unit. You can get
>>> any pat you need from Advanced Adapters (1-800-350-2223). They're
>>> very knowledgeable and they can talk you through any options you might
>>> be considering to help you find a solution.
>>>
>>
>>
>> It can not possibly be cheaper to fix a D<anything>, or buy a new one,
>> than to swap a D<anything> to an NP231. There can be no monetary
>> motivation for this swap, and the mechanical advantage of the D<anything>
>> over the NP231 pretty much overshadows the weigh improvement one might
>> gain by the swap.
>>
>> There is no reason to take this giant leap backwards.
>>
>>
>>
>>> Hope this helps
>>> -Aaron
>>>
>>
>
>