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  • Finding my gear ratio (I searched)

    Ok I bought my Bird about 4 months ago and I still do not know what gear ratio I have and I dont want to pop the rear cover to figure it out. Is there a code some where that tells me what ratio I have. On my Blazer it tells me I have 4.10's but I can find anything like that only a bunch of codes. I have a 2000 Bird with a Auto tranny and of course V6 any help would be great.
    \"I told you on your first day that I was your whole family, I am your new Mother! If you maggots don\'t start getting your sh_t together, I will be forced to make myself a childless Mother!\" <br />-Multiple Unknown USMC Drill Instuctors

  • #2
    Either 3.08 or 3.42

    Check the glove box or driver's door for your list of RPO codes.

    GU4 or GU6

    Another way involves jacking up the rear with the car in neutral. Count how many times the driveshaft spins for one complete revolution of the wheel(s). You should be able to estimate it close enough to know which gear you have. (ie. ~3½ times around = 3.42)
    1994 Firebird 3.4<br />15.65 @ 86.8<br /><a href=\"http://www.funkz.net/firebird.htm\" target=\"_blank\">funkz.net/firebird</a><br /><a href=\"http://mywebpages.comcast.net/funkz/timeslips.htm\" target=\"_blank\">Timeslips</a>

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    • #3
      GU4 = 3.08
      GU5 = 3.23
      GU6 = 3.42

      G80 = LSD
      Matt
      1998 Mystic Teal Camaro M5
      Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

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      • #4
        Thanks a bunch according to the above codes I have a LSD 3.42 It says GU6 G80 side by side Where can I find out what these other codes mean. Is there a site or something???
        Wow thanks again I guess a LSD 3.42 is good
        \"I told you on your first day that I was your whole family, I am your new Mother! If you maggots don\'t start getting your sh_t together, I will be forced to make myself a childless Mother!\" <br />-Multiple Unknown USMC Drill Instuctors

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        • #5
          http://tech.firebirdv6.com/generalspecs.html
          Matt
          1998 Mystic Teal Camaro M5
          Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

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          • #6
            Once again Thanks a bunch
            \"I told you on your first day that I was your whole family, I am your new Mother! If you maggots don\'t start getting your sh_t together, I will be forced to make myself a childless Mother!\" <br />-Multiple Unknown USMC Drill Instuctors

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            • #7
              YES!! i got 3.42s! finally i found the stupid code on my car.
              95 black 3.8 camaro, Intake, Pacesetters, Flowmaster 80 series, accel plugs and wires, B&M shift kit (eh could be better), hopefully a highflow cat soon. and a bunch of appearance mods.

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