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12 bolt rear yoke questions

Discussion in 'The Garage' started by k5-newbie, Jul 28, 2005.

  1. k5-newbie

    k5-newbie 1/2 ton status

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    a buddy grenaded his Ubolt "keepers" the other day and now needs a new 12 bolt yoke....where can I find him one? I dont think my old 10 bolt yoke will work. Any ideas?
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    Actually there is quite a bit of interchange on these.

    I had a 12 bolt yoke from the 70's on my 80's 10 bolt, but they use different u-joints, so I needed one of the adapter joints.
     
  3. k5-newbie

    k5-newbie 1/2 ton status

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    Well, if my 10 bolt yoke will work, does anyone know which ujoint we need?
     
  4. pauly383

    pauly383 Daddy383 Staff Member Moderator

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    On certain gearsets , I heard a car 12 bolt yoke fits , but I haven't tried one . If its 30 spline pinion I'd be inclined to think so .

    Also there are 1350 yokes out there , I got one on a 12bolt I believe came off a truck with a sm465 .

    The other 12 bolt I have is only 1310 yoke .
     
  5. diesel4me

    diesel4me 1 ton status Premium Member

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    12 bolt car ones fit..

    I put a yoke off a 69 Camaro 12 bolt on my 72 K5's 12 bolt rear when I stripped out the splines on the original--they were slightly different in appearance,but used the same u-joint and it fit and worked fine..I never tried a 10 bolt yoke on a 12 bolt or vise versa,not sure if any intechancge.. :confused: :crazy:
     
  6. pauly383

    pauly383 Daddy383 Staff Member Moderator

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    I haven't tried the 10 on a 12 either , but the retaining bolt is different . 1 1/4 socket for 10 bolt , 1 1/8 socket for 12 bolt .
     
  7. gonecheenin

    gonecheenin 1/2 ton status

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    I simply bought a Neapco Ubolt style retainer yoke for my 12 bolt because i kept spitting off the stupid ass strap style retainers

    I bought out of a drivetrain place in Cali, I'm thinking it was driveline service of Fresno

    72 buck shipped to my door
     
  8. CyberSniper

    CyberSniper 1/2 ton status Premium Member

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    You can swap 10 bolt and 12 bolt yokes. The biggest difference is the seal protector.

    If you need to stay 1310 you can use a front 10 bolt yoke. If you want to go S44 you can use a rear 10 bolt yoke.
     

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