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  1. #1

    Pump tunnel crack

    What's the way forward with this in your guys opinions?





  2. #2

  3. #3


    Thanks Jim so on to my next questions First the inside was already built up with fiberglass so do I need to strip all that off before putting this on or should it fit over? Next what would be the repair for the inside of the pump tunnel?

  4. #4
    Moderator beerdart's Avatar
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    All the old DIY wrap needs to be removed. For the tunnel cut out the damaged area and patch with epoxy resin.

  5. #5
    Well getting the old fiberglass off wasn't hard a pair of pliers and some muscle.

  6. #6
    Moderator beerdart's Avatar
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    Quote Originally Posted by jasonstang88 View Post
    Well getting the old fiberglass off wasn't hard a pair of pliers and some muscle.

  7. #7

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    Looks like the re enforcement that was put on your ski did NOT bond to the hull ( they used the wrong resin) Sand the hull real good clean with acetone and use West Systems EPOXY resin and fiberglass layers and re enforce your tunnel the correct way and you will be good to go, Tommy Jordan

  8. #8
    "Hustler" Inkaddict's Avatar
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    Was the reinforcement done with Poly or Epoxy resin? Judging by how it came out it was poly which doesn't bond to SMC. It also appears that the tunnel wasnt scuffed previous to the reinforcement also preventing any kind of bond. Personally I would V out that crack and fill it in with fiberglass hair and west systems polly resin. Build it up, sand it down, and feather it back in. Buy a tunnel reinforcement and be done with it. Or DIY with the proper resin and carbon fiber.

  9. #9
    Bought the reinforcement from the store right after Jim mentioned it. Figured what the heck. I've just never had any experience with fiberglass/smc repairs so the crack will be fun times. If it was above the water I would even think about it. Since its in a kind of important spot I'm a bit more concerned. Either way I'll figure it out.

  10. #10
    steach's Avatar
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    That is the worst glass job EVER...but it does make the repair way easier.

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