8.8 Swap Parts?

Discussion in 'Frame / Chassis / Suspension' started by Gozer442, Jun 5, 2018.

  1. Gozer442

    Gozer442 Greasemonkey

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    Well, I'm down the rabbit hole and adding Ford parts to my Cutlass. This weekend, I picked up a 90's Fox body rear differential complete with 373 gears, all the brake hardware, and lines for $150. I'm having the 4 lug axles re-drilled for the 5 lug 4.75", but I'm unsure of some of the correct parts I'll need.

    1. What's the correct lug size/thread (part#) for GM?
    2. What's the flange and adapter u-joint needed to connect to my GM drive shaft?
    3. What's the correct distance from the 8.8 axle's center eyelet (upper mount), to the center of the stock eyelet mount point on a G-Body? I'd like to fab the upper control arms.
    4. Are spherical upper bushings mandatory on the axle?

    So far, that's my grocery list. I'm fully documenting this swap, with all the costs and part numbers to put together a complete FAQ for the forum.

    Thanks.
     
  2. Longroof79

    Longroof79 Geezer

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    I'm guessing M12 x 1.5mm, depending on what size studs are on the front. SAE would be 1/2 x 20 if I recall correctly.
     
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  3. Gozer442

    Gozer442 Greasemonkey

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    Thanks Jack. I might take on the stud change... looking for a drill press to use.
     
  4. Longroof79

    Longroof79 Geezer

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    You're welcome, buddy,
    Good luck with your endeavor. It's worth it.
     
  5. oldsmobile joe

    oldsmobile joe G-Body Guru

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    sae are 7/16
     
  6. Longroof79

    Longroof79 Geezer

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    You're right, Joe. Thanks for the correction.
    Getting old isn't for the faint of heart...:p
     
  7. oldsmobile joe

    oldsmobile joe G-Body Guru

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    yea, but it sure covers my ass. lol
     
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  8. Turbolq4

    Turbolq4 G-Body Guru

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    Spherical uppers are a necessity.
     
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