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RPO Code?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by FL84K5, Aug 31, 2002.

  1. FL84K5

    FL84K5 1/2 ton status

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    Sarasota, FL
    Ive got a 1984 Blazer with the original rear and and axle ratio. My RPO code is G80 for Gov-lock and then GQ1 which is listed as "Standard Ratio" What is the ratio that GM is refering to as Standard ratio? I couldnt find anything listed on the axle tubes. I know I can jack it up, or take the cover off, but im just wondering what ratio GM uses as "standard ratio"
    Thanks
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    http://www.slosh.com/cars/brochures/ the brochure for your year will tell you standard ratio, which was probably based on engine/tranny combo, and if it was a CA truck or not. I'd guess 3.08 or 2.73 though.
     

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