Barnum Bros Fiber Co. D3TA 8146BA fan shroud material

Discussion in '1973 - 1979 Ford F100, F150, F250-F350 Truck Forum' started by Wilson, Mar 15, 2022.

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  1. Wilson

    Greetings,

    I am a first-time poster who is assisting an old timer neighbor fix his 1973 F100 overheat problem.

    I purchased a Barnum Bros D3TA 8146BA fan shroud off eBay with a couple of cracks that need repair. I am wondering if anyone can confirm the material.

    I am pretty sure it is fiberglass but am wondering if it is traditional fiberglass or SMC. See attached pictures.

    Thanks PXL_20220314_233035421.jpg #ad
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    PXL_20220315_142026686.jpg PXL_20220315_142026686.jpg #ad


    PXL_20220314_233035421.jpg #ad


    PXL_20220315_142026686.jpg #ad
     
    Wilson, Mar 15, 2022
    #1
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  2. FTZ HAIC Staff Member Oregon Chapter Founding Member

    I don't know 100%, but I thought they were made from fibered polypropylene. Polypropylene holds up well with under hood heat, ABC and PCV tend to have lower melting points.
     
    FTZ HAIC, Mar 15, 2022
    #2

  3. Wilson

    Thanks, glad I asked. That makes much more sense, it too smooth to be fiberglass.
     
    Wilson, Mar 16, 2022
    #3

  4. FTZ HAIC Staff Member Oregon Chapter Founding Member

    I've repaired a split cover (on a newer truck) from the back side using a "plastic welder" with plastic sticks to bind the two sides of the crack. Then fill in the crack with appropriate plastic filler and sand it smooth. The "welder" is basically a soldering iron with a flat end, and you can get those on Amazon with the plastic sticks pretty cheap.
     
    FTZ HAIC, Mar 16, 2022
    #4
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