Diff ID?

Discussion in 'Ranchero Tech Help' started by Kris S., Apr 21, 2020.

  1. Kris S.

    Kris S. In Second Gear

    Messages:
    49
    Location:
    Tucson, AZ
    I searched and didn't really find anything regarding how to ID a diff. (Sorry if I overlooked it in my search). I do have the tag picture. It is stamped as WEB-BH 9EC 2 47 9 810C. I would say that makes it a 9in reach with a 2.47 gear ratio. But how will I know the spline count? Do I have to open it up? Also for a mix of track and street what gear ratio would you recommend? I was thinking like 3.7's or 3.89?

    Thanks and I hope everyone is doing we ll and coping with this crap going around.
     

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  2. beerbelly

    beerbelly In Maximum Overdrive SILVER MEMBER

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    3,099
    Location:
    Portland OR
  3. Kris S.

    Kris S. In Second Gear

    Messages:
    49
    Location:
    Tucson, AZ
    Thanks Beerbelly! That chart is exactly what I was looking for!
     
  4. handy_andy_cv64

    handy_andy_cv64 In Maximum Overdrive SILVER MEMBER

    Messages:
    11,627
    Location:
    Seguin, TX
    Exactly like mine. 2.47 open 9", 28-spline axles.
     
    Kris S. likes this.

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