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speedometer calibration on 91K5

Discussion in 'The Garage' started by efilnikufecin, Aug 8, 2002.

  1. efilnikufecin

    efilnikufecin 1/2 ton status

    Joined:
    Feb 27, 2002
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    Location:
    flint,mi
    just swapped in some 3/4 ton axles into my 91 K5.got 4.56's installed last week and off course my speedo is way the he!! off.anybody out there tried to do this thereselves,or should i take it somewhere and get it calibrated.thanks
     
  2. GRINCH

    GRINCH 1/2 ton status

    Joined:
    Jan 30, 2001
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    Location:
    Helena, MT
    Do a search, I posted a arcticle about this a while back.
    Bottom line is you need to have the DRAC recaled. It's a white box under the dash by the ashtray.
     

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