rear axle help pretty please.... - FirebirdV6.com/CamaroV6.com Message Board

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  • rear axle help pretty please....

    i have a 97 firebird. How do i find out how many splines are on my axle. I saw a ebay item that is a zexel torsion posi diff with 3.42 gears. But he says it has to fit a 28 spline rear, and wondering if it will fit mine. it is for a 7.5 rear, not sure what i have. would love to get it considering i only have a 3.08 in it now.
    Pain heals, chicks dig scars, and glory is forever.<br /><br />------------------------------<br />1997 Red Firebird with T Tops<br />Custom 3\" cold air intake <br />K and N filter<br />!maf<br />flowmaster 80 series catback<br />Accel 8.8 300+ spiral ferro wires<br />Bosch 2X platinum +4 \'s

  • #2
    I'm pretty sure after the mid 80s Chevy used 28 splines. Yes...you have a 7.5" rear.
    <a href=\"http://www.onid.orst.edu/~waltejam/\" target=\"_blank\">98 Bright Red Camaro</a><br />Too many mods to list....check my website

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    • #3
      thanks speedy for the help. So, you think ill notice the difference from a 3.08 to a 3.42 and a posi rear?
      Pain heals, chicks dig scars, and glory is forever.<br /><br />------------------------------<br />1997 Red Firebird with T Tops<br />Custom 3\" cold air intake <br />K and N filter<br />!maf<br />flowmaster 80 series catback<br />Accel 8.8 300+ spiral ferro wires<br />Bosch 2X platinum +4 \'s

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      • #4
        Search the drivetrain forums....I'm planning on doin it....got them sittin here....just waiting to get my SCU2000 to correct my speedo.
        <a href=\"http://www.onid.orst.edu/~waltejam/\" target=\"_blank\">98 Bright Red Camaro</a><br />Too many mods to list....check my website

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        • #5
          Going from 3.08 -&gt; 3.42/LSD was a noticable improvement for me, especially off the line, and at WOT it feels quite a bit stronger :cool:
          <a href=\"http://www.cardomain.com/id/sean37\" target=\"_blank\">Black \'97 Camaro</a> w/ CAI, catback

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