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Upside down 203 with regards to doubler

Discussion in 'The Garage' started by cybrfire, May 7, 2006.

  1. cybrfire

    cybrfire 1 ton status Vendor GMOTM Winner

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    Anybody running there 203 range box upside down? Any problems with leaking out the shifter linkage hole??
     
  2. muddyblzr

    muddyblzr 1/2 ton status

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    from what ive heard you wont have a problem.
    if you put it on its side i think that would be more of a problem.
     
  3. beater_k20

    beater_k20 Banned

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    what would the advantage of running it upside down be?
     
  4. muddyblzr

    muddyblzr 1/2 ton status

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    a crapload of ground clearance. you'll have a completely flat belly.
     
  5. 79k20350

    79k20350 3/4 ton status

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    youd also have a flat belly with a flat 203/ 205...
     
  6. Stomper

    Stomper ΜΟΛΩΝ ΛΑΒΕ GMOTM Winner

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    Why not 180* the other way and have the shifter on top? This is for the blazer, no?
     
  7. muddyblzr

    muddyblzr 1/2 ton status

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    not with the 203 in its stock spot. the adapter hangs down where it mouns to the crossmember
     
  8. SCOOBYDANNN

    SCOOBYDANNN 1/2 ton status

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    I "could" have a flat belly if i brought my crossmember up another 1". you can barely see it but i have other pics.---only the 205 is rotated 5 degrees.
    [​IMG]
     
  9. cybrfire

    cybrfire 1 ton status Vendor GMOTM Winner

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    Not entirely sure how any of this will work out anyway. i have a figure 8 pattern 465 and to turn the 203 over I may have to build an entirely new adapter between the trans and t case.
     
  10. muddyblzr

    muddyblzr 1/2 ton status

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    if you buy the NWF you can clock to make it work. the ATOR kit you tell them how you want it and they weld it up that way.
     
  11. cybrfire

    cybrfire 1 ton status Vendor GMOTM Winner

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    But then how do you handle the clocking of the 203 with how it relates to the trans/tcase adapter? I really need to get all the parts together in one place so I can look at them together.
     
  12. 79k20350

    79k20350 3/4 ton status

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    if you get a 32 spline 465, with the round 6 hole adapter all you need is a 32 spline 203. then you just redrill the face of the 203 for the clocking that you want.;)
     
  13. cybrfire

    cybrfire 1 ton status Vendor GMOTM Winner

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    Yeah, I have the figure 8 pattern on the 465.
     
  14. muddyblzr

    muddyblzr 1/2 ton status

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    hmmm i have a t350 hope i dont have the same problem.
    will the figure 8 adapter bolt up upside to your transmission?
     
  15. 79k20350

    79k20350 3/4 ton status

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    I understand that but 32 spline 465's arent hard to comeby. the ones with 208's behind them will work as well.
     
  16. cybrfire

    cybrfire 1 ton status Vendor GMOTM Winner

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    This one had a 208 behind it but I believe the shaft was swapped in. Not real sure what the deal is on all of these parts I've collected for this. Been away from it for far too long and now I have to figure out where I was going.

    Stomper, You coming up this weekend to help me sort this junk out????
     
  17. 79k20350

    79k20350 3/4 ton status

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    remember all 465s are figure 8, its the adapters that are circle 6 bolt or figure 8. so if it had a 208 wouldnt it have a round 8 bolt or did you switch the shaft to a 10 splin and got a 465-203 adapter?
     
  18. cybrfire

    cybrfire 1 ton status Vendor GMOTM Winner

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    UMMM, can't remember. It had a 208 on it. The adapter is a, umm can't remember that eiter. I have a 465 203 adapter and a 465 208 adapter. It's a mess but I'll figure it out. The 208 is for sure the round but not sure what the 203 is. Either way the shaft is too long for the 203 but you knew that. I'll get it figured out yet. No biggy. Guess I could redrill the face of the 203 to accomodate the 208 adapter with it in the upside down clocked position. Should be pretty simple to make everything fit between the frame rails without the transfercase off to the side.
     
  19. Stomper

    Stomper ΜΟΛΩΝ ΛΑΒΕ GMOTM Winner

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    Yeah, I will be up one day, don't know how much help I'll be tho:laugh:. Not sure which day yet, hoping I have to make a parts run near Des Moines, I'll know more specifics tomorrow night. Terry's going to hate me:ignore::deal::haha:
     
  20. NorthWestFab

    NorthWestFab 1/2 ton status

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    Location:
    Canada Eh.
    Easiest method to mate a flipped NP203 to a SM465 is to use the NP208 32 spline version and adaptor. This will allow you to orient the 203 as you wish, and then drill the 6 mounting holes into the face of the NP203.

    We can also make a custom clocked SM465/NP203 adaptor that will match factory length. This will work with the 10 spline connection or an aftermarket 32 spline tailshaft.

    -Kyle
    NWF.
     

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