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Thread: Build Your Own 555 Rod Linakge Adapter

  1. #1
    Supporting Member II Turbo Mopar Contributor ajakeski's Avatar
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    Build Your Own 555 Rod Linakge Adapter

    Info on building an adapter to use rod linkage on a 520 or 555 transmission:

    http://www.greatlakeshotrod.com/Grea...e_Adapter.html
    http://www.greatlakeshotrod.com/Grea...kage_Kits.html
    L-Body Shift Linkage Upgrade all in one convenient kit!

  2. #2
    Supporting Member II Turbo Mopar Contributor 83scamp's Avatar
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    Re: Build Your Own 555 Rod Linakge Adapter

    Thank you for this!

    Going to be working on this for my 520 this weekend...

    Although mine is going to be a little more complicated because it's an 83. My linkage is mounted to the K frame... But after looking at your pictures, I have a game plan...
    Last edited by 83scamp; 05-19-2017 at 08:24 AM. Reason: added info
    83 Scamp GT, 2.5 TII/A-520
    89 Dodge Daytona ES turbo, Daily driver

  3. #3
    Supporting Member II Turbo Mopar Contributor ajakeski's Avatar
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    Re: Build Your Own 555 Rod Linakge Adapter

    Post photos of your results. Photos with measurements if you retain the K frame pivot.
    http://www.greatlakeshotrod.com/Grea...kage_Kits.html
    L-Body Shift Linkage Upgrade all in one convenient kit!

  4. #4
    Supporting Member II Turbo Mopar Contributor 83scamp's Avatar
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    Re: Build Your Own 555 Rod Linakge Adapter

    Quote Originally Posted by ajakeski View Post
    Post photos of your results. Photos with measurements if you retain the K frame pivot.
    I will. But I'm going to change it to mount to the trans. Ran into issues last year at the parking lot event with it not wanting to shift due to engine/trans movement in the corners. I hope to eliminate that...
    83 Scamp GT, 2.5 TII/A-520
    89 Dodge Daytona ES turbo, Daily driver

  5. #5
    Supporting Member II Turbo Mopar Contributor 83scamp's Avatar
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    Re: Build Your Own 555 Rod Linakge Adapter

    OK, it didn't happen as fast as I planned, but I managed to get my linkage brackets built last night.

    I'm posting this for the guys with early L-body's with the K-frame mounted pivot point. The early cars are a little different than the later cars.

    The good news is, the templates posted above still work for cutting the 520/555 bobble strut bracket down. You will need to reuse your original pivot pins, because the early cars are tapered. They have different size bushings top & bottom.

    Here is the pin that screws into the top of the 525:

    Click image for larger version. 

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    As you can see, it has a pretty thick hex on it. I cut this down on a lathe so it has a nice flange:

    Click image for larger version. 

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    I then cut the threaded stud off the bottom so it was flush with the 1" angle iron I used to make the bracket, and welded it on. I then mounted it just like the later cars:

    Click image for larger version. 

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    The other pivot/bobble strut mount was a little more fun. I used the original K-frame mounted pin. I simply cut the mount off so I had the pin & about a 1" long tab to weld to the bobble strut bracket.

    Click image for larger version. 

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    I then cut the 520 bracket per the template, and welded a 1/8" steel plate across it to give me a base to weld the pin too. I pulled the bobble strut bracket off the old 525, and welded it to the angled bracket & the plate I welded on.

    Click image for larger version. 

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    I know, I have to make a new linkage rod for the crossover to clear the turbo, but this gives you guys an idea of what it takes to put a 520/555 in an early L-body.

    I'll take some better pictures before in goes in the truck, and try and get some good dimensions to post with it as well.
    83 Scamp GT, 2.5 TII/A-520
    89 Dodge Daytona ES turbo, Daily driver

  6. #6
    Supporting Member II Turbo Mopar Contributor ajakeski's Avatar
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    Re: Build Your Own 555 Rod Linakge Adapter

    Nicely Done.
    http://www.greatlakeshotrod.com/Grea...kage_Kits.html
    L-Body Shift Linkage Upgrade all in one convenient kit!

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