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14bff swap

Discussion in 'The Garage' started by AKbigsub, Aug 14, 2006.

  1. AKbigsub

    AKbigsub 1/2 ton status Premium Member

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    Location:
    Anchorage, AK
    Does anyone know if I will need to lengthen my rear drive shaft when I install the 14BFF? It is a 90 3/4 ton burb with a semi floater and 4 inch lift. I have already confirmed that the u-joint is the same but am concerned about the d-shaft length.
     
  2. JIMs70K25

    JIMs70K25 1/2 ton status

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    Location:
    Chesapeake, VA
    I asked this same question for my 89 3/4 ton burb and the answer was, no.
     
  3. u2slow

    u2slow 1/2 ton status

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    Location:
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    I swapped from a 14bSF to a 14bFF in my C20 Burb - no driveshaft mods. I think the slip-joint on the driveshaft extended about 3/8".
     

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