[NSRCA-discussion] AL welding with Durafix!!

[Ed White]

I've had similar experience.  There's a knack to using it that I  haven't picked up.  My joints are functional but ugly. Often there  is some porosity.  I have used it on 4-stroke exhaust to repair  pipes and repair a slimline Pitt's muffler on a YS140.  4-stroke  exhaust temps are no problem.  
  
  One problem I have using it is getting and keeping the temperature  right, too cold it doesn't flow (probably why I get porosity), not very  much hotter and the aluminum gets soft.  One thing I haven't tried  that might be helpful is to use one of those non-contact temperature  guns.  It would have to go to 800 F or better.
  
  Ed

Bob Richards <bob at toprudder.com> wrote:  Fred,
   
  I've used it on a mousse can  muffler on a two stroke and it is still holding up. Not sure about a  four-stroke exhaust, which can get a lot hotter, but I suspect it would  do ok.
   
  Bob R.
  
Fred Huber <fhhuber at clearwire.net> wrote:
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 DIV.Section1 {   page: Section1  }      The product has been around a LONG time.  first time I saw it was at an RV show/sale event appx 30 years ago.
   
  VERY careful cleaning of the metal to be joined is needed.  Stainless steel brush is mandatory.
   
  There's a bit of a trick to getting the stuff to work, but once you   have it figured out it does a decent job on stuff that doesn't get hot.  I have not tried it on an exhaust.
    ----- Original Message ----- 
  From: Jim Woodward 
  To: 'NSRCA Mailing List' 
  Sent: Thursday, October 05, 2006 10:55 AM
  Subject: [NSRCA-discussion] AL welding with Durafix!!
  

    http://durafix.com/
   
  Hi Guys,
   
  Check out this link, then watch the usage video!  What a cool product!  Talk about an instant header fix

  Jim W.
   
   

    
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