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Gorilla glue to repair FG?

Discussion in 'The Hokey Ass Message Board' started by cktasto, Sep 21, 2014.

  1. cktasto
    Joined: May 31, 2009
    Posts: 312

    cktasto
    Member

    I'm repairing a rip in my FG hood and wondering about using Gorilla glue to reattach the torn edges before i glass on the hood scoop. i've used it before and its pretty darn strong ImageUploadedByH.A.M.B.1411330039.619291.jpg ImageUploadedByH.A.M.B.1411330058.802152.jpg ImageUploadedByH.A.M.B.1411330099.169430.jpg
    I cut a piece of sheet metal and formed it conform to the curve of the hood and used machine screws to pull the edges together and in the curvature of the hood

    Thanks
    Charlie


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  2. roundvalley
    Joined: Apr 10, 2005
    Posts: 1,777

    roundvalley
    Member

    Gorrila glue wants to swell. How about glass resin?
     
  3. jimcolwell
    Joined: Oct 4, 2009
    Posts: 474

    jimcolwell
    Member
    from Amarillo

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    Did you know automobile manufactures have been using panel glue for years! Call your paint supplier and get some to fix it right.
     
  4. cktasto
    Joined: May 31, 2009
    Posts: 312

    cktasto
    Member

    I know it will expand and needs to be wiped of excess as it dries but i think Its stronger than resin.
    Thanks for the reply!
    Charlie


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  5. Grahamsc
    Joined: May 13, 2014
    Posts: 466

    Grahamsc
    Member
    from Colorado

    If i have a questionable situation with a bonding product I usualy call the manufacture and let them tell me if they think the product is a good choice.
    I called loctite last week to ask about a sleeve retainer and they recommended
    A different product than the one i was going to use.
     
  6. cktasto
    Joined: May 31, 2009
    Posts: 312

    cktasto
    Member

    Good point...


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  7. 3M 8115 panel bonding adhesive
     
  8. cktasto
    Joined: May 31, 2009
    Posts: 312

    cktasto
    Member

    I have the panel bond adhesive as well but i think the GG will sand and finish better


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  9. Ulu
    Joined: Feb 26, 2014
    Posts: 1,767

    Ulu
    Member
    from CenCal

    Do a chemical compatibility test on some scrap FG first, before you wreck your hood by mixing stuff that prefers not to be.
     
  10. Use the panel bond, there was huge money spent to get just the right flexibility in the adhesive joint for automotive use. (vibration) GG was formulated to market to us idiots cheap, that think Gorillas are strong. LOL
     
  11. Mr48chev
    Joined: Dec 28, 2007
    Posts: 28,819

    Mr48chev
    ALLIANCE MEMBER

    There have to be some Marine/boat supply houses close to Plesanton that have actual fiberglass products to redo that with. It's not rocket science to fix fiberglass but half assed fixes will only give you trouble later.
     
  12. The fiberglass panels use polyester resins. When repairing, polyester resins do not adhere well to broken or cracked fiberglass. I suggest you look at West Systems Epoxy resins. There are a lot of boats repaired with it and it really works. In addition, there are powders that can be added to thicken it for specific uses, i.e., crack repair which is strong but hard to sand, and fairing, which makes it act like a really good Bondo.
     
  13. DC43
    Joined: Sep 20, 2014
    Posts: 17

    DC43

    ^This^
    Having come from an autobody background, and having built/ repaired numerous FG bodies for my customers at my old shop, repairs could be tricky at best, when using the wrong materials, and at worst, would ruin and destroy the original parts.
    (think classic 'Vettes, old T-bucket kit cars, and other rare and hard to find kit cars)
    Do it right, you will not regret it!
     
  14. cktasto
    Joined: May 31, 2009
    Posts: 312

    cktasto
    Member

    Thanks guys, i went ahead and used resin to do the repair. Just waiting for it to dry now.
    My thought is to use the panel adhesive to attach the hood scoop though.

    Im thinking some metal tabs glued to the inside of the scoop (bent in an L shape) and then gluing the other end of the tabs to the hood.
    Thanks again for the advice.


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  15. tfeverfred
    Joined: Nov 11, 2006
    Posts: 15,792

    tfeverfred
    Member

    Fiber glass resin to repair fiber glass. That's what I've always been told.
     

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