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208 fixed yoke kit?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by superbee, Mar 4, 2001.

  1. superbee

    superbee Registered Member

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    does any one know of a fixed yoke kit or slip yoke eliminator kit the same as design as a 231 tcase
     
  2. iceman

    iceman 1/2 ton status

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    I heard this was gospel, take the back half and output shaft of a, sorry to say this "FORD" 208 t-case with a fixed yoke flip it over and install it on yours. I haven't done this but was planning on it, so I asked a local tranny rebuilder if they were the same, and he said yes.. Let me know Iceman
     
  3. thatK30guy

    thatK30guy 1 ton status Premium Member

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    I also heard you can do the same thing with a Dodge t-case too.
     
  4. iceman

    iceman 1/2 ton status

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    Just finished the fixed yoke conversion. Everythings inplace and seems to work fine. Iceman
     
  5. Chaz88K5

    Chaz88K5 1/2 ton status

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    i need to do this too...will any ford 208 work?

    [​IMG]
     
  6. ftn96

    ftn96 1/2 ton status

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    Well, Im assuming this is what Jesse "onetoncv" aka "drivelineman" does. He sells these kits. You can call him at 530-872-5725 for $325.

    Will work for beer, parts and tools.
    90 Jimmy 350TBI-700R4-241-33" BFGs-10 bolts w/4.10's
    <A target="_blank" HREF=http://www.nashvillek5.freeservers.com>http://www.nashvillek5.freeservers.com</A>
     
  7. iceman

    iceman 1/2 ton status

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    I picked up a 208 out of an 80 "ish" full size Bronco. I had to make a small mod to the shift fork and lever but other than that it was bolt together. Total cost about $125 this was my first 208 teardown. Iceman
     
  8. what was the small mod? this sounds cool. i have a 208 sitting in my garage waiting for my 203 to go.

    78, 350/350/203, 3/4 ton, 4" lift, 35" BFGs[​IMG]
    <A target="_blank" HREF=http://bluebeast.coloradok5.com/>http://bluebeast.coloradok5.com/</A>
     
  9. kpanza

    kpanza 1/2 ton status

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    Yes, what "small mods" did you have to make to the case? I want to do this, sort of a stopgap measure until I swap for the doubler setup...
     
  10. Pure Insanity

    Pure Insanity 1/2 ton status

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    oh do i need this!!!!!!that will cure my phobia of the 208 slip tail shaft w/ lift.

    PURE INSANITY
    86 blazer see it at:<A target="_blank" HREF=http://www.zing.com/album/pictures.html?id=4292792569>http://www.zing.com/album/pictures.html?id=4292792569</A>
     
  11. 1990K5

    1990K5 1/2 ton status

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    will this also work w/a 241?
     
  12. kpanza

    kpanza 1/2 ton status

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    1990K5,

    You can get a kit for your 241 that replaces the slip yoke...check this out:

    <A target="_blank" HREF=http://www.jbconversions.com/pages/np241/index.html>http://www.jbconversions.com/pages/np241/index.html</A>
     
  13. Pure Insanity

    Pure Insanity 1/2 ton status

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    iceman,could you do a tech article on this,id really like details.

    PURE INSANITY
    86 blazer see it at:<A target="_blank" HREF=http://www.zing.com/album/pictures.html?id=4292792569>http://www.zing.com/album/pictures.html?id=4292792569</A>
     
  14. iceman

    iceman 1/2 ton status

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    I never thought of it before but I could try a tech article. But for now the mod is a simple one. You disassemble the two cases and use the output shaft and everything on it, the rear shaft housing, yoke, shift fork and lever. I had to redrill the case for the Ford tail housing bolt pattern then I ground some 3/8x1 bolt heads to fit from the inside out, I put a heavy amount of silicone on the heads to hold them in place. Under trial and error I found that the shift fork (used from the ford case) needed to be shortened slightly and the stub on the lever had to increased in diameter. I shortened the shaft with a hack saw and file (rasp) about 3/16 in. and increased the size of the shifting pin on the lever to 3/4 in. dia from 1/2 in. The rest of the reassembly is according to the book. Except plug the Ford vent tube on the tail shaft housing and drill and tap your top fill plug for a vent. It really wasn't a bad project just don't take any thing off the Ford shaft you'll use the shaft as it is and you'll need the Ford speedo plug and gear. I hope this helps if you need more just e-mail me. Iceman
     
  15. Blazer1970

    Blazer1970 1/2 ton status

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    I wonder if you used Dodge parts, if it would bolt together with no mods, since they are both RH drop???

    Tim

    70 Blazer CST 4X4 350 SM465 NP205
    87 Burb 4X4 350
    01 GMC 2500HD 4X4 Duramax/Allison
     
  16. bigerik

    bigerik 1/2 ton status

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    I had just sent in my $695 to Boyce Equipment (800-748-4269) for a reman NP208 when I read this post. I called Mark at Boyce and he says he has thought about marketing such an option and may use my order as a guinea pig. He says he's gonna make some calls and charge me according to his cost. I'm gonna refer him to CK5 and this post. Iceman, I wish I was mechanically inclined enough to do that conversion.

    <A target="_blank" HREF=http://www.bigerik.coloradoK5.com>http://www.bigerik.coloradoK5.com</A>
     
  17. bigerik

    bigerik 1/2 ton status

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    I saw in Cheap Tips in Four Wheeler magazine that if you have a slip yoke output that needs to be removed in a trail fix, you can drive the vehicle for a ways if you put the right plastic sports drink bottle (20 oz.?) at the rear of the t-case and wrap it with duct tape.

    <A target="_blank" HREF=http://www.bigerik.coloradoK5.com>http://www.bigerik.coloradoK5.com</A>
     
  18. iceman

    iceman 1/2 ton status

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    I choose the Ford box because it was plentiful and cheap. Dodge t-cases seem to be more expensive for some reason. I'll try to keep you informed of its performance. Iceman
     
  19. kpanza

    kpanza 1/2 ton status

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    Yes BigErik, that is a trick that I can vouch for!! I once had to drive home all the way from Palm Springs (about 100 miles) after breaking the rear driveshaft off in the dunes with this bottle/duct tape trick! And to top it all off, I had to tow my brother's sand rail trailer the whole way - all the way home on the highway in 4Hi with a leaky t-case and duct tape and plastic keeping my t-case alive! It works!!!! I now keep a stash of paint can plastic tops and a bottle in the center console just in case it happens again!
     
  20. BlazerMatt

    BlazerMatt Newbie

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    I started to do the same conversion, but I found that the Ford 208 engages the chain by sliding the ring forward, while the Chevy 208 engages it by sliding BACK... So, with the ford shaft, [censored] fork,etc in the case, it's shifting backwards... I think I can get it to work, but its a real pain to shift, because the angled teeth that help engage the gears are facing the wrong way...
     

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