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3/4 ton conversion joint question.

Discussion in 'The Garage' started by Brady, Apr 13, 2003.

  1. Brady

    Brady 1/2 ton status

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    I am putting a 350/205 combo from a 1/2 ton into my '86 3/4 ton Sub.It has the SF 14 bolt.Is the conversion joint for the 3/4 FF 14 bolt the same?Thanks Brady
     
  2. Brady

    Brady 1/2 ton status

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    Nobody knows this?
     
  3. heavy4x4

    heavy4x4 1/2 ton status

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    Well, the 1/2 ton driveshaft uses a 1330 joint. And, I believe the 14 bolt SF uses a 1350 like the FF. (So yes, it would be the same conversion joint)
    Someone correct me if I'm wrong. /forums/images/graemlins/ears.gif
     
  4. chulisohombre

    chulisohombre 1/2 ton status

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    actually it is a 1310/1350 joint.i just got one a couple of weeks ago to put in my 14 bolt.maybe yours has a 1330 yoke but mines a 72 blazer and maybe they changed the yolk size.neapco part number is 3-3140.you should be able to take that to the parts store and cross reference the number to whatever company they carry.
     
  5. ColAdo82K5

    ColAdo82K5 1/2 ton status

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    If he is talking about his 86 1/2 ton...then it has a 1330 joint. The 10bolts came with a 1330 yoke...while your 72 came with a samller 1310 12 bolt yoke.
    Blake
     
  6. BurbinOR

    BurbinOR 3/4 ton status

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    Napa part either 348 or 447............
     
  7. gokartergo

    gokartergo 3/4 ton status Staff Member Moderator

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    Or 448.. I found that at the hard way..LOL
     
  8. HarryH3

    HarryH3 1 ton status Author

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    Why didja need the 448? Is it a tad wider on the cross that goes to the 14 bolt yoke? I've got a 447 now, but it seems to be about 1/8th of an inch or so too short on the axle yoke side. /forums/images/graemlins/frown.gif
     

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