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1999 Olds Bravada gear ratio?

Discussion in 'Truck & Equipment Repair' started by Seaway25, Oct 26, 2009.

  1. Seaway25

    Seaway25 Senior Member
    Messages: 165

    Are they all 3.73 or was there an option for something different? I can't figure out what service part id code would tell me what I have. The front differential went in my girlfriends car. Thanks.
     
  2. Seaway25

    Seaway25 Senior Member
    Messages: 165

    I have the code GT4 and I think that's 3.73 but I would like to know if anyone else can confirm this.