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NWF Black Box

Discussion in 'The Garage' started by fireplug, Nov 5, 2006.

  1. fireplug

    fireplug 1/2 ton status

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  2. 79k20350

    79k20350 3/4 ton status

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    Im betting its too new for anyone to have real world with it yet. The thing looks sick though. Also knowing nwf and their commitment to quailty/ customer satisfaction i would do it in a heart beat. id prolly do this over a doubler.
     
  3. fireplug

    fireplug 1/2 ton status

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    Oh it's new? I didn't realize that.

    Yeah I'm bogged down with a bunch of 203 and 205 T Cases, and Trannies but of course they don't match up ideally. So I'm wondering if maybe the underdrive might be the way to go instead of buying, machining and rebuilding what I have/need.
     
  4. 79k20350

    79k20350 3/4 ton status

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    in a way yes you can use it for that. it will bolt directly to your tranny and tcase. so long as its chevy stuff you dont need to do anything special.
     
  5. jekquistk5

    jekquistk5 Weld nekid Premium Member GMOTM Winner

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    With the 2.72... I wonder if they are just using 241 planetaries??
     
  6. fireplug

    fireplug 1/2 ton status

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    Yeah I know that's not the ideal way to use it but it might make sense for me in the long run. For kicks I'll run it by you guys and see if you are in agreement.

    Ideally I would go 400/203/205 for a bombproof low cost drivetrain.

    I already have the 350 version 203 and 205 cases, and I have a rebuilt 2wd T400.

    IF I can use the 2wd tranny without sinking tons into it (yet to be determined) I would definitely source out a 203 and a 205 or get mine machined as neccessary. If I can't use the tranny then the drive train wouldn't be 'bombproof' and not only would there be the increased cost of sourcing a TH400, I'm not sure I would feel the money well spent. And then the D44 would be a real wink link.

    On the other hand my Blazer is pretty light judging by what I've read here. With a small block, D44, T350, no top/doors and a p/u gate it is keeping the weight down. If I stick with this combo (350/350/205) and use the 'Black Box' I can continue with the saving weight theme and perhaps the drive train will in effect be relatively as strong.

    Any thoughts? Did I present that clearly enough? Does anyone give a hoot? :D
     
  7. pvfjr

    pvfjr 1/2 ton status

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    I follow your logic, seems reasonable.
     
  8. ntsqd

    ntsqd 1/2 ton status

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    Logic seems fine to me, I'm long been of the thot that if the vehicle is light then you may not need the extra heavy parts. Marv's machine seems to be proving that.
    What is the difference in weight btwn the TH400 and the TH350? Seems like thats the decider. Doesn't the TH350 have a lower first gear, or do I have that backwards?
     
  9. gmc4cw

    gmc4cw 1/2 ton status GMOTM Winner

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    same as a Klune-V with less ratio choices. I like that they have more bearing contact unlike the klune. why doesn't someone make a kit to use the reduction part of a 241. same thing as the black box.
     
  10. natehate

    natehate Registered Member

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    they do make one
    a guy is selling them on pirate under the vendor sections
     
  11. mouse

    mouse 1/2 ton status

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    350 has slightly lower first gear, and takes 9hp less to spin.
     
  12. jekquistk5

    jekquistk5 Weld nekid Premium Member GMOTM Winner

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    Slightly off topic but has anyone actually used a 241 doubler???
     
  13. gmc4cw

    gmc4cw 1/2 ton status GMOTM Winner

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    got a link? maybe I'm not looking in the right place, but I can't find it.:mad:
     
  14. wayne

    wayne 3/4 ton status

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  15. gmc4cw

    gmc4cw 1/2 ton status GMOTM Winner

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    thanks wayne. I don't know what to think by that thread though. seems he is pretty busy. I called, no answer. If I can get some pics then thats the route I'm going.
     
  16. fireplug

    fireplug 1/2 ton status

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    There is also the weight difference between the doubler and the Black Box which I believe they said is half or less than half the weight. And in a round about way, the weight savings of running a D44 instead of a D60.
     
  17. muddybuddy

    muddybuddy 3/4 ton status

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    seems like a sweet idea, but i like that the doubler is cheaper
     
  18. gmcburb1965

    gmcburb1965 clever user title

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    Buyer beware! Duffy is the reason I didn't make it to divide ride this year. He kept saying he had the parts and was selling them, so I got my rig ready to accept his setup. But when I tried to send him money he suddenly didn't have them; too late to go back and still make it to divide ride. :mad:

    wtf? :mad: :mad:

    I don't doubt he has 231 to 205 kits but 241 to 205 are a diff story

     
  19. ntsqd

    ntsqd 1/2 ton status

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    That was the weight difference I was driving at, just hadn't gotten there yet. :D
     
  20. u2slow

    u2slow 1/2 ton status

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    I wonder.... will the reproduced 465/203 adapter get revised for BlackBox usage? Maybe there should be a matching 32-spline shaft available? ;)

    EDIT: Are the notches in the case (on the tcase side) there for 205 shift rail clearance? (assuming round pattern here).
     

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