My '73 Pro Street Project

Discussion in 'Project Progress' started by Jodi, May 24, 2019.

  1. Jodi

    Jodi Veteran Member

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    Believe me...I was asking that very same question before I installed the back brace lol.

    So far I got $20 for the back brace and another $40 for the plugs and the vent so not really crazy amount of money invested yet.
    For time, I'm probably 4.5 hours into it so far. I would say another 1.5 - 2 more hours for the vent, drain and fill plugs install.

    A new housing with the bearing ends and four link brackets installed would probably cost at least a grand.

    As for the pitting, there mostly cosmetic and do not affect the integrity of the housing so that is why I decided to go ahead and use it for now. I do intend to smooth it out as much as possible though just to make it pretty ;).
     
  2. Jodi

    Jodi Veteran Member

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    Diff housing mod is finally completed :).
    It now has a back brace, fill and drain plugs and a vent.

    The drain plug is protruding quite a bit for my liking and since that's my go to area when jacking the rear of the car up, I'm worried that it might get damaged. I welded a 3/8" thick steel plate on the bottom of the housing to reduce the amount that's sticking out and hopefully prevents getting damaged by the floor jack.

    I also added a crossbar between the four link brackets. Should add some rigidity to the rear suspension plus it will give me a place to weld the lower mounting tabs for the wheelie bar install later on.

    Also filled the worst of the pitting on top of the housing, gave it a couple coats of satin black paint and it's ready to go back under the car.

    20210206_113008.jpg 20210206_112516.jpg 20210206_112724.jpg 20210206_112901.jpg
     
  3. Gasoholic

    Gasoholic Veteran Member

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    Have to admit that housing looks like it came out of an old plow truck that they used for spreading salt.
    Should be plenty strong though.
     
  4. Jodi

    Jodi Veteran Member

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    Yeah, that housing was in pretty rough shape.
    LOL on the old plow truck comment :)
    You're probably right...

    Got some more parts...

    Iron 3rd member assy. from Strange
    4.11 gear ratio, 35 spline, spool
    20210129_141722.jpg 20210129_142152.jpg


    5/8" wheel studs kit.
    20210129_145006.jpg

    Strange 35 spline axle
    20210129_150724.jpg

    Installed the wheel studs to the axle.
    The 35 spline axle diameter is .060" bigger than 33 spline axle.
    20210202_165911.jpg 20210202_165326.jpg

    Side by side comparison between the 5/8" and 1/2" wheel studs.
    20210202_170344.jpg
     
  5. Jodi

    Jodi Veteran Member

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    After nearly 2 weeks of -35* to -40* temperature (and yes that's not factoring the wind chill LOL).
    We got a bit of a break from the cold this week. Mondays temp. went all the way up to +6* (WTF) :).

    I took advantage of the warm weather and proceeded with the differential assembly and installation.
    Please follow along and my apologies for the dull pictures...my regular phone decided to break its camera lens (don't know if I dropped something on it or it spontaneously exploded, took these pics with one of my old inactivated phone.

    After a thorough cleaning of the housing, I replaced all the studs. 20210222_090701_LI (2).jpg

    New studs 20210222_083923.jpg

    Applied some Loctite gasket maker on the stud shank and installed it using the washers and nut method.
    I've stripped the stud thread using this method before but I find that if a lower grade nut is used, the nut will always stripped first before the stud.
    20210222_093153_LLS.jpg

    After putting silicone on both sides of the gasket the third member was dropped in and the nuts torque to 35 lbs/ft.
    The ARP kit did not come with copper crush washers but it shouldn't matter since the case from Strange Engineering is machined flat and the amount of "goop" that I used, there shouldn't be any leak.
    20210222_134249_LLS.jpg 20210222_141813.jpg

    Setting it on the floor jack adapter, positioning it under the car and lining everything up.
    20210222_144906.jpg 20210222_172928.jpg

    Axles went in nicely so nothing change in terms of housing alignment after the back brace install :).
    Had to drill the brake drum to fit the larger 5/8" wheel studs.
    20210222_172945.jpg 20210222_173019.jpg

    Put the tires back on and lowered her back on the cribbing.
    20210223_170234.jpg 20210223_170400.jpg

    The fill plug I installed sure made adding the gear oil easy and the drain plug will sure make oil change a simple procedure when it comes time for oil change after the break in period :).
    20210223_155338.jpg
     
  6. G72Zed

    G72Zed Veteran Member

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    Nice and beefy rear, that's for sure......looks killer, nice work Jodi.
     
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  7. Jodi

    Jodi Veteran Member

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    Thanks man...appreciate it!:)
     
  8. muscl car

    muscl car Veteran Member Lifetime Gold Member

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    Nice looking Ford 9" !!

    That center section from Strange looks almost identical to mine and looks like you'll be having fun with that spool
     
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  9. Jodi

    Jodi Veteran Member

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    Thanks muscl car!

    Yep, definitely will have some fun...he he he :D
     
  10. Gasoholic

    Gasoholic Veteran Member

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    Looking good. Can't wait to hear it run!
     
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