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Closed knucle dana 70 front on an '80 GMC???

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 80blackgmc, Jan 1, 2007.

  1. 80blackgmc

    80blackgmc Registered Member

    Nov 21, 2004
    Likes Received:
    Hey guys,

    Localy a guy has a set of diffs for sale. They are D60 rear and D70 front. He said they came off a '77 truck and sent me some pics.

    The diffs look like a closed knucle dana 70 and a dana60 rear. They are both drum brakes.

    I didn't think you could get a drum brake D70 in '77, so this set must be off something older. Are these D70 diffs any good/desirable? Can a disk brake conversion be done easily on them?

    Otherwise they look complete and have 4.10 gears and the price is somewhat reasonable.

    In reality I'm in need a D60 front only. What do you guys think about this D70?

  2. b454rat

    b454rat 1/2 ton status Premium Member

    Jan 21, 2003
    Likes Received:
    Binghamton NY
    I'd pass. Not much if any stronger than a regular 60. Rears are a dime a dozen. Keep looking for the real deal, there out there.

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