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rear axle rpo code

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by david mac, Mar 1, 2010.

  1. david mac

    david mac New Member

    my 85 C10 silverado rear axle code is GQ1. All searches turn up std ratio (no value).
  2. canislupis69

    canislupis69 Epic Member 5+ Years ROTM Winner 5000 Posts

    This is a repeat post.

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