[DMCForum] Re: Melted Catalytic Converter
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[DMCForum] Re: Melted Catalytic Converter



The cat itself was glowing, not before or after. 

The fact that I have a live human being who says he melted his cat 
converter (on a DeLo) and experienced blockage and a loss of power is 
somewhat encouraging. I can't wait to check it out.

BTW, exactly how do you "gut" it? Did you cut it up and weld it back 
together, or just use a screwdriver to punch out the stuff or what?

--- In DMCForum@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx> 
wrote:
> Was it glowing before the converter or after? Stopped up converter
> glows on the uphill side.
> 
> Don't know what caused mine to melt, but it happened very suddenly 
not
> far from the house. Y pipe was glowing. Engine could only run first
> gear. Limped home but barely made it up the driveway. That weekend
> gutted the thing. No problems since.
> 
> Bill Robertson
> #5939
> 
> >--- In DMCForum@xxxxxxxxxxxxxxx, "timnagin" <timnagin@xxxx> wrote:
> > >The thing is, how did this happen??? Before I blew the head 
gaskets,
> > >the car was running. Just a few months ago. I haven't backed 
into a
> > >ditch or anything....
> > >
> > >Can the guts of the cat "melt"? My fuel system was so hosed up 
that I
> > >got it glowing cherry twice, by accident from raw fuel being 
dumped in
> > >there.
> > 
> > 
> > I have seen where the guts can break up and cause blockage.  If
> yours was
> > somehow damaged due to the heat, I could see the guts possibly 
being
> broken
> > up due to your working on the engine and the vibrations from 
trying
> to start
> > it.
> > 
> > A quick Google search returned this, with one quote below.
> > 
> >
> http://www.google.com/search?hl=en
<http://www.google.com/search?hl=en&ie=UTF-8&oe=UTF-> &ie=UTF-8&oe=UTF-
8&q=early+catalytic+conve
> > rter+melting+temperatures
> > 
> > "Catalysts melt down at approximately 1100 Celsius (melting point 
of the
> > materials). Hard driving will see around 960 Celsius."
> > 
> > I think you have your next objective, should you wish to accept.
> > 
> > Greg



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