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Thread: The Bob Joyce thread!: Restoration of a 1968 911 L Targa

  1. #11
    Senior Member bob joyce's Avatar
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    Found a difference of 2mm from right side to left side, front to back....
    A few weeks ago, someone posted a factory video circa 1972. It showed a worker in the background, standing in a Targa and he was pulling on "wood tool" to bend the window opening back.
    Looked easy...
    I looked at the video again. It was "1973 Porsche 911 Factory Tour" Time 12:50 of 31:32.
    The tool was really cool. It was hollow, and inside the hollow tool was a length of a gauge that he would pull out and "go-no-go measure"
    Well, after two days, Sore neck, arms, back, legs and even blisters later .....I GOT IT.....
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    Last edited by bob joyce; 12-30-2021 at 08:53 AM.

  2. #12
    Senior Member bob joyce's Avatar
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    cleaned -up, straightened and welded cracks on the aluminum roof panels...
    interesting that the perimeter channels were filled with foam.
    the pictures that i have seen on the net show empty channels.
    here is a picture of the removed foam....Name:  DSCN1176.jpg
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    Last edited by bob joyce; 01-02-2022 at 04:55 PM. Reason: picture

  3. #13
    Senior Member bob joyce's Avatar
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    I used tap plastics foam: modified
    It is very crumbly and breaks/snaps like a bread stick.
    So.... I added Ditzler flex agent and produced a stiff yet flexible and sand able product.
    The additive produces extreme product characteristics depending on how much flex agent is added.
    For instance, one cap full of flex agent added to a couple ounces of foam produces a very flexible rubbery product.Name:  DSCN1179.jpg
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    Last edited by bob joyce; 01-06-2022 at 05:41 PM.

  4. #14
    Senior Member bob joyce's Avatar
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    So .... here is the foam being shaped.
    I actually sawed the bulk off
    then Shure formed the rest...
    Also, I tested each poor because they were all mixed by the seat of my pants
    Here is a picture that is representative of all the pours but one
    I removed one poor because it was too rubbery and could not be sanded
    If you mix this tap foam without a flex agent, it will be way to brittle.

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  5. #15
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    Enjoying these updates

  6. #16
    Senior Member bob joyce's Avatar
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    Here is a picture of the refurbished Targa folding roof panels.
    And a picture of the sand blasted Targa folding roof frame members....
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  7. #17
    Senior Member bob joyce's Avatar
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    Painted the Targa folding top frame members...Name:  DSCN1186.jpg
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  8. #18
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    Cool stuff, it should be its own thread on targa top repair!
    MBR #3926
    '71 911 T Targa "Rick White"
    '71 911 E "Karen"
    '70 S/T
    '16 CD
    '10 E61 "Vomit Comet"

  9. #19
    Bob, The outer aluminum drip rails on my car need to be painted. After 55 years the paint is starting to chip. Can those be removed without taking the top all apart?
    It's 67.

  10. #20
    Senior Member bob joyce's Avatar
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    yes.... it is fairly straight forward... just remove the screws for all the associated parts,
    should take only a few minutes, unless the screws fight you....
    obviously, you will be removing the rubber weather strip and that depends on how/if, it was glued in...
    P.S. i will paint my outer trim with Sem trim black. it adheres to aluminum well and is fairly durable...
    if you encounter a strip of cardboard, that is shimming material and should be reinstalled for proper fit....

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