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  1. 78 chevy 4x4 with a 12 bolt rearend questions

    Transmission - Rearend
    I have a 78 chevy 4x4 with a 12 bolt rearend and I need to replace the carrier and I guess there are three different sizes, like 8.625, 8.75, and 8.825? I can't remember exactly. How do I tell what I have or does it matter? Please help! Thank you
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