2500 Transfer Case In a 1500???

Discussion in 'Dodge 4x4' started by Patent Pending, Oct 4, 2005.

  1. Madd Ramm

    Madd Ramm Guest

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    Yeah, the Np241D is pretty much just a beefed up NP231D. It has the 6 planetaries as well as larger bearings all around and slightly thicker shaft. But really, where the splines are is all the same for both the front and rears.....so if the shaft was gonna break under certain circumstances for an Np231, it would do the same on the Np241.





    The reason the Np241D is pretty much a beefed up Np231D is because the Np231D is not like the original Np231! Np231s are found in Jeeps and other small 4x4s. The Np231 in the Rams is an enlarged and built up Np231 just so it can survive in the Ram. So really, the Np231D could be considered an Np241 when compared to the orginal 231s anyway.







    Ditto what Beast and V10sport have said about the torque and the PTOs. I would love a PTO option, but I couldn't sacrifice what I was wanting to do in order to get PTO.
     
  2. Jason

    Jason New Member

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    What would you have to sacrifice? Are you talking about putting a PTO winch in?
     

  3. v10sport

    v10sport Guest


    Not being able to run a SYE. Cant do it with a 241HD
     
  4. Jason

    Jason New Member

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    This might have to be posted in the NOOB section, but why not?
     
  5. v10sport

    v10sport Guest

    The PTO version has an extra bearing in it. Because of this, a SYE wont fit. Not sure why, or if its possible,but no cost effective because there are not alot of 241HD out there
     
  6. Madd Ramm

    Madd Ramm Guest

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    The shafts are different because of the bearing for the PTO. They would have to make an entirely new shaft for it and like V10sport said, not likely to sell a lot of them since not many wheelers run those HD241s.
     
  7. WMIF

    WMIF New Member

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    dont forget the trans reduction in first gear.



    torque x trans gear = applied torque

    450 x 2.45 = 1102.5



    and if you are talking about a cummins with the 5600:

    500 x 5.63 = 2815

    :eyecrazy:
     
  8. pornstar

    pornstar New Member

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    No one likes 205s? They are cheap and easy to find. Hard to break and you can twin stick them...???
     
  9. WMIF

    WMIF New Member

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    they are only 2:1 so you gotta do a doubler to make them effective which adds up the cost along with finding a 203. as far as i have read, no one makes an adapter to mate the 203 to the 46 or 47 dodge trans. would have to be a divourced setup.
     
  10. pornstar

    pornstar New Member

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    I think I will have to talk to some friends then. They have done some amazing things in the past for me and others.



    http://www.evolutionmachine.com



    Would there be enough interest in an adaptors for the 203/205 or I have seen them use the stock planitaries in the 231 or 241 and make a new housing mounting to 205's but that was a bit more coin again.



    Jay
     
  11. The Beast

    The Beast New Member

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    interest here for sure... :bigthumb:
     
  12. v10sport

    v10sport Guest




    Very true.

    Thats where the peak torque of 5550 Ft/lbs come into play. I dont drive around in 1st a whole lot. It prbably can take quite a bit even behind a 500 with a superlow first.
     
  13. WMIF

    WMIF New Member

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    :withstupid:



    i would rather see a complete new unit though instead of molesting my 241. i could sell my 241 to recoup some of the cost.



    on the other hand, stak4x4 has just release an overdrive tcase. they have 3 ratio sets available now. i think its pretty awesome that they are addressing this. the od case is something like 1:1-.79:1-4.x:1 which is kinda tough. the 1:1 and .79:1 are good, but dropping straight from 1 to 4 is a big jump in gearing. especially for the people that would be in the market for these cases to begin with. mostly those people would be running steep gears in the axles and just looking for a bit of overdrive to make it drivable to the trail.



    maybe this will light another fire under atlas though. i saw atlas 4 speed at the expo this weekend also. its just an atlas 2 with a planetary bolted on the front. so the stories of atlas not holding up to a big block are still applicable. according to the rep i talked to though, they didnt have any plans of overdrive cases. thats probably until they went by the stak booth and saw their announcement for the od case. :wink:
     
  14. The Beast

    The Beast New Member

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    a doubler adaptor for cheaper than $800 is what would interest me, and an adaptor that lets me bolt that doubled case 203/205 up to my 46RE...
     
  15. WMIF

    WMIF New Member

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    i think stazworks is selling a 203-205 doubler piece for less than 800.
     
  16. Jason

    Jason New Member

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    So what are the advantages to running a 203-205 vs. a 241HD besides the SYE? Twin sticking? I know they have to make an adapter for the nv4500, but I'm not sure if I would need one. I don't get that crazy with it.
     
  17. pornstar

    pornstar New Member

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    Just off the top of my head





    Advantages for a 203/205 (off the top of my head)



    - twin stick capability

    - 32 spline outputs front and rear on Ford 205s

    - many or most are a fixed yoke or flange rather than a slip yoke

    - completely gear driven

    - 2 low capability with 2:1 ratio

    - 4 low ranges either 2:1 or 4:1

    - cheap to find and rebuild

    - all cast steel construction (no more case failures)

    - custom clocking availabilty based on 203/205 adaptor)

    - better driveline angles

    - less stress on driveline upstream of t-cases





    Disadvantages (there may be more)



    - need to locate 203 and 205

    - need a doubler adaptor (avg price $800)

    - will require at least one more shifter maybe 2 if you want twin stick (I just got my cables to build my triple stick 203/205 shifter)

    - will more than likely require an additional adaptor for tranny to 203

    - will also need new or lenghtened driveshafts

    - will also more than likely require a new crossmember to mount the new t-cases.

    - weight (but not a lot) depends on crossmember; also most trannys are cast aluminum so you will want to reduce driveline flex to prevent failure of bellhousing areas.





    That is all I can think of off the top of my head but to me if I go ahead with the rockwell swap (depends on the condition of the 12 valve cummins I just found) I will be going this route unless I can find a NV271 to mate up to the tranny.
     
  18. The Beast

    The Beast New Member

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    Will it bolt up to the 46RE and work?
     
  19. WMIF

    WMIF New Member

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    stazworks makes the piece that joins the 203 and 205. its cheaper than the off-road design unit. i dont think anyone makes the adapter to our trans yet.
     
  20. Baumberg

    Baumberg New Member

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    Hey guys, I'm quite the newbie to this kinda stuff, but I need some help. Recently my 231-D transfer case has quit on me, the problem is that I need one that fits my 98' dodge ram 1500. After asking around quite a few people have told me that the 231's are crap. So my question is; Is it possible to put a 241 into my 98' 1500 5-speed standard?