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U-joint

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by DumontsK5, Aug 24, 2006.

  1. DumontsK5

    DumontsK5 Registered Member

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    I am doing an axle swap from a 10 bolt to a 14bff and i need a 1310/1350 u joint! can you buy them like that if so can i get heavy duty ones and where?

    If not do i have to buy a 1310 and a 1350 and switch 2 caps on each?
     
  2. GotLabs

    GotLabs 1/2 ton status GMOTM Winner

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    Napa u-joint conversion mark
    (1330)10b -(1350)14b = #447
    (1310)12b-(1350)14b= #348

    search for conversion ujoint.
     
  3. DumontsK5

    DumontsK5 Registered Member

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    i thought a 10b was a 1310 am i wrong ?
     
  4. GotLabs

    GotLabs 1/2 ton status GMOTM Winner

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  5. bigblock72

    bigblock72 1/2 ton status Premium Member GMOTM Winner

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    If the original joint has internal snap rings then it is a Saginaw S44, if it has external snap rings then it's a 1310.

    1310-1350= 3-3140 Car Quest
    Saginaw S44-1350= 2-1153 Car Quest

    Hybrid joints aren't very strong, the best way to go is have the driveshaft redone to accept the correct joint and you just as well put 1350s on both ends while your spending money.
     

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