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1330 and 1350 u-joint sizes in a driveshaft

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by four_by_ken, May 16, 2002.

  1. four_by_ken

    four_by_ken 1/2 ton status

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    Ok, 1310 u-joints are 1/2 ton and 1350 are 1 ton? I never buy them by the number, just the application.

    Dana 60 front uses?

    Ken H.
     
  2. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    yes

    Hmm, changed the post on me did you? /forums/images/icons/smile.gif

    1310 are also used on some 1 ton applications. 1330, 1350 and 1410 are also used depending on the year. Dana 60 front is most likely 1310 but may be heavier, again, depending on the year and application.
     
  3. four_by_ken

    four_by_ken 1/2 ton status

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    Now I have to figure out what the heck I have.

    Take measurements?
    Each of them uses differant yokes?

    I always just ordered a 14 bolt u-joint for a 454 Suburban for the rear and the front was just 3/4 stuff. Now tha tI have the Dana 60, I need to find out.
    Since I am building new driveshafts, I want to get the best I can without having to swap out yokes.

    Ken H.
     
  4. kpanza

    kpanza 1/2 ton status

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    My D60 used a 1310, the same as the previous 10 bolt...but I have heard of them also using the larger joints as well...you're best off measuring it or just taking it down to the parts store for direct comparison...
     
  5. four_by_ken

    four_by_ken 1/2 ton status

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    I dont have a front driveshaft, or rear for that matter. The ones I was using in my Jeep will not work. Rear is too short, and the front is for the 10 bolt that was in the Jeep.

    Ken H.
     
  6. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    You should still be able to test fit the u-joints from the jeep. If it fits that is what you need. Also, yes (my original answer) each joint has a different yoke. For comparison, here are the numbers I have:

    Measurements across the yoke (or joint cap to cap, widest point)
    1310 - 3.250
    1330 - 3.625
    1350 - 3.625
    1410 - 4.250

    Note that the 1330 and 1350 have the same width. The only way to tell the difference is to measure the diameter of the caps.
    1330 - either 1.125 or 1.062 depending on year
    1350 - 1.188

    These measurements are very close and it is easy to get them confused! Be careful.
     
  7. four_by_ken

    four_by_ken 1/2 ton status

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    Thanks. This is the kind of stuff I was looking for. Now to find out what I have.

    Thanks again.
    Ken H.
     
  8. jekbrown

    jekbrown I am CK5 Premium Member GMOTM Winner Author

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    holy poop! 1410s are HUGE. /forums/images/icons/laugh.gif

    J
     

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