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Thread: will JB WELD handle the heat???

  1. #1
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    will JB WELD handle the heat???

    I was planning to repair some of my internal and external exhaust components with JBweld , do you think JBWeld will handle the heat and pressure/vibration ??

    the parts that are rusted out are in the end (internal) and some holes rusted through on the muffler body.

    ytm 200k

    thanks!

  2. #2
    hadar's Avatar
    hadar is offline Just Too Addicted Arm chair racerJust too addicted
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    I don't know man. I would either braze it or mig it. Jb weld is worthless IMO, I does not make a quality repair for anything. Again, just my opinion but you won't see any "B J Weld" on any of my equipment.

  3. #3
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    i tried jb weld years ago on truck headers and it fell off after a few days
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  4. #4
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    I tried to use JB weld on a go-karts exhaust and it did not hold for more than a hour. I also personally think JB weld is over rated.

  5. #5
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    braze it if not too big of a hole

  6. #6
    aquapunk's Avatar
    aquapunk is offline At The Back Of The Pack Arm chair racerFirst time rider
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    if you clean the area, and scuff it up, its alright. i wouldnt use it for anything bigger than a hairline crack personally. theres some stuff call "quicksteel" it handles 500 degrees where jb weld only takes 250. you can get it at wal-mart or autozone for under 5 bucks. if at all possible, get your stuff fixed right the first time. booger welding will only hold for so long.

  7. #7
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    works good for crankcases but not exhausts
    Nate

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  8. #8
    traxxasx's Avatar
    traxxasx is offline Alligator sized brain can't spell you correctly. Arm chair racerRoostin Away
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    Quote Originally Posted by 250sxwheeliepop
    works good for crankcases but not exhausts

    Lmao yea right.. We had this disscussion in another thread.
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  9. #9
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    Quote Originally Posted by traxxasx
    Lmao yea right.. We had this disscussion in another thread.

    Held on to my crankcase for the last year with no problems.
    Nate

    The Myth, The MAN, The Legend
    R.I.P HRR

    Quote Originally Posted by honda250sx View Post
    Fact: Dr. Death is Bob from Enzyte.

  10. #10
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    traxxasx is offline Alligator sized brain can't spell you correctly. Arm chair racerRoostin Away
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    Quote Originally Posted by 250sxwheeliepop
    Held on to my crankcase for the last year with no problems.

    Well depends on where it is, now what i was reaferign to is fixing a crack in a crank case that leaks oil.
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  11. #11
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    Quote Originally Posted by traxxasx
    Well depends on where it is, now what i was reaferign to is fixing a crack in a crank case that leaks oil.
    Yep thats what its doin on my engine. If you prep the area correctly it will hold just fine
    Nate

    The Myth, The MAN, The Legend
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    Quote Originally Posted by honda250sx View Post
    Fact: Dr. Death is Bob from Enzyte.

  12. #12
    traxxasx's Avatar
    traxxasx is offline Alligator sized brain can't spell you correctly. Arm chair racerRoostin Away
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    Quote Originally Posted by 250sxwheeliepop
    Yep thats what its doin on my engine. If you prep the area correctly it will hold just fine

    Well thats good, but im teh type of guy that doesent like ghetto fab fixes and that is one, it will haunt you one day...lol.
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  13. #13
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    lol yeah have the other crankcase to swap it out just donnt have the want to change it out. Maybe once it gets warmer
    Nate

    The Myth, The MAN, The Legend
    R.I.P HRR

    Quote Originally Posted by honda250sx View Post
    Fact: Dr. Death is Bob from Enzyte.

  14. #14
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    The thing I hate most about people using JB weld Is when they try to use It without cleaning the area. Then when It does'nt hold, they want It welded & you have a hard time welding the area because you have to get every spec of the JB weld off or It contaminates the weld.

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  15. #15
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    Quote Originally Posted by 250sxwheeliepop
    Held on to my crankcase for the last year with no problems.
    been holding my jetski crankcase for two years. but hasnt held on anything with high heat or gas tanks for me. i'll prolly never use it again unless its a crankcase.

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