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Thread: 12 Bolt Chevelle Posi Question
          
   
   

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  1. 02-14-2012 01:14 PM #1
    Trjohn57's Avatar
    Trjohn57
    Trjohn57 is offline CHR Member
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    Car Year, Make, Model: 1969 GTO 455 78 FLH 37 Pontiac
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    12 Bolt Chevelle Posi Question

     



    Hopeing someone can give me an answer on this.

    1969 Chevelle 3959038NF
    1970 Chevelle 3969278NF

    I have a 1970 Chevelle 12 bolt rearend. I'm trying to figure out if the posi section from a 69 12 bolt will fit inside of a 70 12 bolt rearend. Both are Eaton. I'm just stumped on not knowing about the difference between a small or large ring gear. And whether it will work or not. Thanks to all out there. 20 hours to go.

    Found out it's a large ring gear.
    Last edited by Trjohn57; 02-14-2012 at 01:33 PM.
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