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  • Rear Gears?

    Anybody know what the stock gears are for my vehicle? 1991 camaro rs 305 auto.

    If its more then one possibility, could you tell me all the available? Thanks.
    2006 Saturn Ion Redline
    2003 Mits. Eclipse Spyder

  • #2
    I can almost guarantee that your rear end gears are 2.73. Check for RPO code GU2 (on the sticker in your center console or rear locking compartment door). If you have code GU2, then you have 2.73s. I don't think any more rear end ratios were available for that car (except for the B4C and probably 1LE cars), but I could be wrong.

    Are you looking to replace your stock ones? If so I have a good recommendation for a good ratio for 305 TBI cars (just like mine and yours).
    1991 Chevy Camaro RS (Is it plum or purple?)
    Engine: 305 TBI (L03)
    Trans: TH700R4
    Mods: Some

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    • #3
      Well right now I was just curious. But eventually I may want to, so i would like to know what i had stock before i went from there.
      2006 Saturn Ion Redline
      2003 Mits. Eclipse Spyder

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