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Thread: rear end

  1. #1
    Join Date
    Dec 2003
    Posts
    82
    I've got a 99 chevy silverado. auto 5.3 rcsb 2wd truck. I'm buying a posi and i need to know how many splines are on my axles.
    No boost, no juice, no fun!!

    1999 chevy silverado RCSB.
    procharger is sold.
    now all i got is a big hunk of bone stock metal.

  2. #2
    Join Date
    Oct 2003
    Location
    LaPorte TX
    Posts
    835
    almost positive it's a 30 spline.
    you can check any drive trian shop and they should be able to verify this.

    2010 Camaro 2SS/RS
    2020 GMC Sierra AT4

  3. #3
    Join Date
    Jun 2003
    Location
    North Central Arkansas, Cave City
    Posts
    279
    30 spline
    http://img.photobucket.com/albums/v6...nstruckls1.jpg

    05 Joe Gibbs RCSB 5 gear
    99 Vette / 6 gear
    02 Honda Goldwing
    00 Hayabusa

  4. #4
    Join Date
    Mar 2003
    Location
    Florida
    Posts
    1,208
    88-98 is a 28 spline correct?
    Hugger Orange 99 SS Hardtop #756
    485rwhp/440rwtq SAE

    http://i83.photobucket.com/albums/j301/slmdls1/Signatures/hugger-prostar-sig.jpg

  5. #5
    Join Date
    Dec 2003
    Posts
    82
    88-98 had 30 or 28.
    No boost, no juice, no fun!!

    1999 chevy silverado RCSB.
    procharger is sold.
    now all i got is a big hunk of bone stock metal.

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