To weld or not to weld

Discussion in 'Tech/Mech General' started by Wildbill, Apr 24, 2016.

  1. Wildbill

    Wildbill Funster

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    To weld or not to weld that is the question.
    I have a crack in my exaus system.
    Nothing to serious but old stell is notoriously difficult to weld.
    Am I being a tight git should I just splash out on a new one at £193
    Bill
     
  2. vwalan

    vwalan Funster

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    with a mig welder it should be ok.
    i would certainly have a go.
    might put a bit of extra support on it or patch as well.
    i made new ends for my silencer 3 years ago still working .
     
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  3. Lenny HB

    Lenny HB Funster

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    Once exhausts start going normally faulse economy to repair them. If you repair it another part of it is bound to let you down at the most inconvient time.
     
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  4. Wildbill

    Wildbill Funster

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    I have all thre stick mig tig I do like tig. But getting a good clean prep with old stell might be a problem.
    Bill
     
  5. Wildbill

    Wildbill Funster

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    It's just a crack next to a weld stress crak by the looks of it
    Bill
     
  6. Enword

    Enword Funster

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    If there is no corrosion / rot & only a stress crack shouldn't be a problem, go for it.
     
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  7. Wildbill

    Wildbill Funster

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  8. vwalan

    vwalan Funster

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    slip a bit of tube over it and strengthen it . a bit of ex pipe cut then slipped over and welded should be ideal.
    i certainly dont just swap mine when 20mins of welding will fix it .
    i use mig at home but do take inverter welder away in the truck .
    inverter better than normal stick but mig is better .
    i cheap skated and bought a cheap inverter welder in spain several years ago . shame it never came with tig .
    mind i did weld the leaf springs on my trailer with it one year in morocco. got me home .
     
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  9. vwalan

    vwalan Funster

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    looks like a patch would be better there .
     
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  10. Wildbill

    Wildbill Funster

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    Yes that could be a option will wip it off and give it a go nothing to lose as I can't get another one till Wednesday or Thursday
    Bill
     
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  11. mitzimad

    mitzimad Funster

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    Ive found patching boxes to be a waste of time as they rot from the inside as fast as you patch one place it goes in another pipes can be worth doing and cracks on flanges
     
  12. vwalan

    vwalan Funster

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    just recover them . wrap a sheet of steel around the silencer,then make shaped end caps welding to new steel all the way . fit slightly over size end pipes so you can slip in the original . job done . cost almost nothing if you do it yourself .
    sometimes i consider covering new silencers with galvanized steel from new .
    mind truck silencers do take weld repairs much better than car a van silencers . heavier steel used .
     
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  13. Wildbill

    Wildbill Funster

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    All welded up and back on the van wasn't as easy as I would have liked it bit out of practice on thin stuff but all done now
    Bill
     
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  14. matamoros

    matamoros Funster

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    Wrap a baked bean tin round it, seal with gun gum, tighten up with wire......proper job:rofl:
     
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  15. vwalan

    vwalan Funster

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    i did that just before leaving spain last week. waiting for a dry day and i shall weld it up better.
    mind i used a carrot tin ha ha .
     
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  16. Wildbill

    Wildbill Funster

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    It will pass mot the way I have done the job
    Bill
     
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  17. Wildbill

    Wildbill Funster

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    Now that I have dug out the welding kit the mirror bracket that's broken and Ben meaning to make a new one started fabrication of a new one
    Sum pick
    Bill
    1461607342186.jpg 1461607566464.jpg 1461607613879.jpg
    I have put original for comparison and scale
    Bill
     
  18. Geo

    Geo Trader - Funster

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    It would with the baked beeeeeeeean tin Bill
    It only has to be semi gas tight and how its made that way or repaired aint an issue ;)
     
  19. Wildbill

    Wildbill Funster

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    Thanks @Geo I didn't know that any way done now
    Just got the mirror bracket to finish when I get home tomorrow then find a mot station to do the mot
    Hopefully thay can set up the head lights
    Bill
     
  20. Wildbill

    Wildbill Funster

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