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need to fix holes in exhaust... help

Discussion in 'XJ Technical Chat' started by koolaid5, Aug 31, 2010.

  1. koolaid5

    koolaid5 Member

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    I took the exhaust off last night. I removed about 2.5" of the pipe after the H-pipe to get rid of the upturn, so my mufflers will run straight back the sides instead of sweeping up. I also removed the side shiny pieces. They were welded on, so I took the cut off and grinding wheels to them. Well, I wasn't paying close enough attention and I put two small holes in the H-Pipe.

    The question is.... can I just patch these up with some JB Weld before I paint the pipes or do I need to take them and get them welded up? I know welding them up would be IDEAL, but can I just use the JB weld in a pinch, so that I can finish these up tomorrow?

    Yes, I have my own welder, but I haven't taught myself how to use it yet :D

    I just want to get these painted, so I can wrap the headers, attach the screamin eagle pipes, and get it back on the bike. The sooner I get that done the sooner I can get the carbs tuned and get this thing on the road.
     
    koolaid5, Aug 31, 2010
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  2. Danstona

    Danstona New Member

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    Don't cut corners! Take your time, and do it right... theres no point in doing circles right... except while riding the bike. Weld them up, grind them down, polish them out and paint... You'll be glad you did!
     
    Danstona, Aug 31, 2010
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  3. koolaid5

    koolaid5 Member

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    ok, so JB Weld WON'T work?
     
    koolaid5, Aug 31, 2010
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  4. koolaid5

    koolaid5 Member

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    the "holes" are just like 1/8" long and maybe 1/16" wide if that
     
    koolaid5, Aug 31, 2010
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  5. serenmaster

    serenmaster Member

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    heed the advice jb weld has a oder when it gets hot like wet feet an rotten flesh i learned the hard way
     
    serenmaster, Aug 31, 2010
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  6. pauluminous

    pauluminous Member

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    I fixed a few holes in mine with JB weld, no problems so far, didn't notice any oder.
    Only a few miles on it since the repair so can't say anything about how it'll stand up over time.
     
    pauluminous, Aug 31, 2010
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  7. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    If you insist on using a putty-type repair, use Milliput instead of JBWeld. It WILL hold up to the high temps no problem.

    Most well-stocked hobby shops or crafty-type places carry it.
     
    bigfitz52, Aug 31, 2010
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  8. MN-Maxims

    MN-Maxims St. Paul Minnesota

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    My vote is to get it welded take your tiime and cleaned up for paint. No sense doing the job twice

    MN
     
    MN-Maxims, Aug 31, 2010
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  9. Lou627

    Lou627 Member

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    What kind of welder do you have and how thin is the metal?

    Practice on similar thickness metal with a similar hole or your just going to keep burning through and making the hole bigger.

    Don't try and just run the tip straight to the hole. You want to build up a pool next to the hole and progressively have it spill over to fill the hole. Do it in small intervals.

    Your going to have a big ugly hump of metal, but you can grind it down.

    Don't forget to practice first!!!
     
    Lou627, Aug 31, 2010
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