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Thread: 1996 Mustang 8.8 rear axle

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  1. #1
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    1996 Mustang 8.8 rear axle

    My stepson has a 96 GT. We're looking for a used 3.73 posi to install. Does anyone know for sure what model years will bolt in. Also will the rear ends from any other models (t-birds, exployer, etc.) bolt in without modification? Thanks in advance for any help or suggestions.

    RG

  2. #2
    Administrator BurnTire's Avatar
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    Are you looking to put in the entire rear end housing or just install Gears?

    GTs all have a traction lock (Posi). So if the car is only spinning single wheel it just needs a clutch pack rebuild.
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  3. #3
    Senior Member Mr. Austin's Avatar
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    if your looking for gears with the posi they are always on criagslist. any year 8.8 will work even if its was from 1980.

  4. #4
    Administrator BurnTire's Avatar
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    An 8.8 isn't like a 9". You can't just bolt in a set of gears with a posi.
    The gears needs to be installed. He already has a posi unit.
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  5. #5
    Senior Member Mr. Austin's Avatar
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    Hmmm ok. i was told wrong then. I thought you could just unbolt an 8.8 and change the gears and posi like a 9". i was told that was the improvement from an 8" to an 8.8"

  6. #6
    Administrator BurnTire's Avatar
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    8.8's don't have a 3rd member like a 9".

    It would be best for him to get a new set of gears, install kit, and put a new clutch pack in the differential.
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  7. #7
    Senior Member AZSonicSnake's Avatar
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    i happen to have a 28 spline truetrac diff that i would let go for a very good price. its brand new and unused.

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  8. #8
    Senior Member Mr. Austin's Avatar
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    I know you said3.73 gears but i just came across these for a good deal http://phoenix.craigslist.org/nph/pts/1437357267.html

  9. #9
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    Thanks eveyone this helps us a bunch. Sounds like we should just install the gears and rebuild the posi.

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