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Thread: Threaded Plate for Roll Cage Mounting

  1. 04-07-2010, 04:00 AM #1
    chris_seven
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    Threaded Plate for Roll Cage Mounting



    Does anyone have any information about the Threaded Plate (Item 8) used for Roll Cage mounting on early cars.

    I believe that they were 8mm thick and tapped M8 but seem to have a bend which difficult to understand.

    There are two sets of part numbers:

    901.803.231.21 L -71
    901.803.231.22 R -71

    and

    901.803.232.21 L 72-
    901.803.231.22 R 72-

    Any photos or other information would be very helpful


    I think that the cages were manufactured from a 40mm OD x 2mm wall Cold Drawn Tube.
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  2. 04-07-2010, 05:16 AM #2
    Flunder
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    Here you go.

    Images 1: repros fabbed from steel plate
    Image 2: NOS cast steel top and steel plate repros side-by-side
    Image 3: another side-by-side comparison
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  3. 04-07-2010, 05:19 AM #3
    304065
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    installed photos
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    1966 911 #304065 Irischgruen
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  4. 04-07-2010, 07:09 AM #4
    Rich Lambert
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    John, what is that?
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  5. 04-07-2010, 07:19 AM #5
    sithot
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    Nice work! Here are the originals. Must have had a heck of "break" to make those bends. You didn't do it in the back yard with vice-grips and a hammer.

    Tom
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  6. 04-07-2010, 07:21 AM #6
    vicrola
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    Tom...Take a look at my mount when you get to Helen.

    Vic
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  7. 04-07-2010, 07:35 AM #7
    sithot
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    I've seen your car.


    Tom
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  8. 04-07-2010, 08:53 AM #8
    chris_seven
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    Thanks

    Very helpful,

    Now to make the patterns and have some cast.

    Thanks
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  9. 04-07-2010, 09:14 AM #9
    vicrola
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    Tom...

    You haven't seen it since the roll bar was installed...

    Vic
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  10. 04-07-2010, 10:08 AM #10
    sithot
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    Quote Originally Posted by vicrola View Post
    Tom...

    You haven't seen it since the roll bar was installed...

    Vic
    How do you know that I haven't? Heard any dogs barking late at night?

    Tom

    PS: Can't wait to see it!
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