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Thread: firebird rear ends
          
   
   

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  1. #1
    Beaumont383's Avatar
    Beaumont383 is offline CHR Member Visit my Photo Gallery
    Join Date
    May 2005
    Location
    Durand
    Car Year, Make, Model: 1968 Pontiac Beaumont
    Posts
    8

    firebird rear ends

     



    hi
    Im in the process of buying a 1991 Pontiac Firebird. im just wondering if anyone knows the rear end gear ratio that came stock. it has 305 V8 but it is an automatic that is the only downside to it. it is in pretty decend shape for $600 bucks

    Kyle

  2. #2
    S19243H's Avatar
    S19243H is offline CHR Member Visit my Photo Gallery
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    Jun 2005
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    pottstown
    Car Year, Make, Model: 23 t bucket
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    347

    count the teeth on the ring and pinion and ill tell you what ratio it is
    GLENN
    you can do it if you know how it works

  3. #3
    Matt167's Avatar
    Matt167 is offline CHR Member Visit my Photo Gallery
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    Jan 2004
    Location
    Prattsville
    Car Year, Make, Model: '51 Chevy Fleetline and a Ratrod project
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    4,990

    or go to this site to find out the ratio once you have the count on the teeth, it is a neat little converter just for axle gear ratio's http://www.csgnetwork.com/rnggrpinioncalc.html
    You don't know what you've got til it's gone

    Matt's 1951 Chevy Fleetline- Driver

    1967 Ford Falcon- Sold

    1930's styled hand built ratrod project

    1974 Volkswagen Super Beetle Wolfsburg Edition- sold

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