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Attaching trunk drop off to trunk floor - panel bond?

Discussion in 'Body Restoration' started by Jeep43, Mar 30, 2021.

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  1. Mar 30, 2021 #1
    Jeep43

    Jeep43 Veteran Member

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    I am about to start attaching outer wheelhouses and trunk dropoffs to my 74. Wheelhouses seem straightforward. I'm going to plugweld those.

    But the drop off flange where it connects to the trunk floor looks difficult to access with a mig torch. It seems the best way to get in there is to drill my plug holes in the drop off flange itself and fit the torch in thru the well as best as possible.

    I don't have a spot welder. Could this be a place to try a Panel Bond adhesive like 3M? I can get in there with plenty of clamps. I would plug weld the rest of the drop off to the quarter and wheel house where access is available.
     
    BillyDean7173 likes this.
  2. Mar 30, 2021 #2
    bodymanbill

    bodymanbill Veteran Member

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    Definitely a good place for structural adhesive just not a lot of room to work in there. Take both mounting surfaces to bare metal and coat it with the adhesive and clamp it , also will be a better corrosion protection since the whole area is sealed tight. Actually wish i would of glued mine when i did them.
     
  3. Mar 30, 2021 #3
    Jeep43

    Jeep43 Veteran Member

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    Good to hear. What is the recommended goop? 3M stuff?
     
    Last edited: Mar 30, 2021
  4. Mar 30, 2021 #4
    bodymanbill

    bodymanbill Veteran Member

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    We use Fusor 108B here at the shop , kinda pricey and definitely stinks but works great
     
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  5. Mar 30, 2021 #5
    Rosster

    Rosster Veteran Member Gold Member

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    Not sure of how much structural support is supposed to come from those parts. Wouldn’t gluing it reduce that dramatically?
     
  6. Mar 30, 2021 #6
    TTR230

    TTR230 Veteran Member

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    Many parts of airliner wings were/are bonded together. Obviously not the same thing, but bonding something is not necessarily weaker.
     
  7. Mar 30, 2021 #7
    badazz81z28

    badazz81z28 Veteran Member

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    Bonding is common practice for places it's impossible to spot weld. The proper stuff is strong!
     
  8. Mar 30, 2021 #8
    Rosster

    Rosster Veteran Member Gold Member

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    good to hear! I need to replace both of mine as well and was scratching my head on how I’m going to get enough access to weld it!
     
  9. Mar 30, 2021 #9
    bodymanbill

    bodymanbill Veteran Member

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    Every truck Ford makes is held together with self Piercing rivits and structural adhesive, the beds , cabs and front structure, Camaro dropoffs will be just fine.
     
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  10. Mar 30, 2021 #10
    Jeep43

    Jeep43 Veteran Member

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