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14 bolt SF to 14 bolt FF swap?

Discussion in 'The Garage' started by sled_dog, Oct 19, 2004.

  1. sled_dog

    sled_dog 1 ton status

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    U joint swap right over or not? My 89 3/4 ton burb is gonna get a 14 bolt FF in place of its present SF.
     
  2. clarkjw24

    clarkjw24 1/2 ton status GMOTM Winner

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    Mine were a little big. I used a 1ton rear shaft and standard U joint but had to grind a little on the cap edge to fit with in the ears of the SF. No vibes and cheaper than a conversion joint.
     
  3. sled_dog

    sled_dog 1 ton status

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    you said fit in the ears of the SF? I am replacing a SF with a FF...
     
  4. clarkjw24

    clarkjw24 1/2 ton status GMOTM Winner

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    Opps. Sorry I'm /forums/images/graemlins/screwy.gif I've got my FF on the stand rebuilding it. So I put a SF in while that was going on. The ujoints may be a tad small then.
     
  5. smokkey1

    smokkey1 1/2 ton status

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    I think the the 14sf uses an 1350 u-joint.


    what's the difference between an 3/4 and 1 ton 14FF, besides the shock mounts an spring perches?
     
  6. sled_dog

    sled_dog 1 ton status

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    CAN be brake differences. 2 different size drums on 14 bolts.
     

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