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Carb boot repair - Flex Seal

Discussion in 'XJ Technical Chat' started by Hotcakesman, Apr 23, 2015.

  1. Hotcakesman

    Hotcakesman Active Member

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    Has anyone every tried to fix the small cracks in old carb boots with Flex Seal?
    https://www.getflexseal.com/

    I know about the bicycle tire trick
    was just curious if anyone had attempted this
     
    Hotcakesman, Apr 23, 2015
    #1
  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    I was wondering the same thing in the store today. Rustolem sells that stuff now .
     
    XJ550H, Apr 23, 2015
    #2
  3. FtUp

    FtUp Well-Known Member

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    snake oil. put that money aside and save for a new replacement set of intake boots. your money will go farther in the long run.

    FU
     
    FtUp, Apr 23, 2015
    #3
    Hotcakesman and biggs500 like this.
  4. ecologito

    ecologito Well-Known Member

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    Q: Can I use Flex Seal® to fix radiators, tires or other areas with extreme heat and pressure?
    A: NO, Flex Seal® will withstand your normal water pressure but it's not made to withstand extreme heat or pressure.

    Q: Can I use it on a gasoline tank?
    A: NO, Flex Seal® should not be used to seal a gasoline tank, oil tank or any other combustible material.
     
    ecologito, Apr 23, 2015
    #4
    Stumplifter and Hotcakesman like this.
  5. tabaka45

    tabaka45 Well-Known Member

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    tabaka45, Apr 23, 2015
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    NEEDtoRIDE likes this.
  6. MattiThundrrr

    MattiThundrrr Not a guru

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    I tried that flex seal stuff on my eavestroughs where they leaked at the joint... Didn't stop the water from getting through, and flaked and cracked off the next time i cleaned the gutter (a few months later!). Don't know for sure, but maybe wrapping old Trojans around the intake boots might work better!
     
    Last edited: Apr 24, 2015
    MattiThundrrr, Apr 23, 2015
    #6
  7. XJ550H

    XJ550H Well-Known Member Premium Member

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    I was just in walmart auto motive section, rustolem version of flex seal claims to fix oil pans and radiator hoses good to 16 psi.
    this may work to fix carb boots and airbox boots
     
    XJ550H, May 3, 2015
    #7
  8. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    A lot of products claim to do a lot of things.....

    Looking at the MSDS it seems like it will begin to decompose at temperatures above 120ºF
    http://www.rustoleum.com/MSDS/ENGLISH/265494.PDF
    You're also buying a whole lot of solvent and not much rubber coating in each can.
     
    Last edited: May 3, 2015
    k-moe, May 3, 2015
    #8
  9. XJ550H

    XJ550H Well-Known Member Premium Member

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    its not the way I would go to fix them, just happened to pick up the can.
     
    XJ550H, May 3, 2015
    #9

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