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  1. Transmission and DriveLine Questions
    This is my first thread, so bear with me! Love the site by the way. Anyway, I have a 57 GMC with a 3+3 (or so i was told) dually rear diff (8 lug) I am wondering how to actually identify this rear end, like how many springs it should have. It has two sets. What the gear ratios are, and if the...
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