Re: Red Hot Exhaust / Melted Catalytic Converter

["erikgeerdink <erikgeerdink@xxxx>" <erikgeerdink@xxxx>]

when i got my D i had a lot of work done on it. My cat guts were 
pretty much dust. So, yes, the honeycomb can be destroyed, but from 
what I hear its not very common.

Erik


--- In dmcnews@xxxxxxxxxxxxxxx, "content22207 <brobertson@xxxx>" 
<brobertson@xxxx> wrote:
> Am on Xmas vacation, so this is first time I've seen list all 
week...
> 
> It is indeed possible to melt the guts of a honeycomb style 
catalytic
> converter. Not sure why (stuff has consistency of ceramic), but I 
did
> so when my car ran too LEAN (remember guys: fuel cools. Until 
Martin
> G's PRV man diagnosed my re-tuned, hence over-advanced engine -- 
still
> getting used to life without a carburetor -- was so rich I could
> actually hold exhaust tips in my hands). Telltale sign of stopped 
up
> converter is glowing exhaust AFTER the the thing. I think it's heat
> from added resistance.
> 
> Do you live in an area with emissions testing? You'd be amazed how
> much restriction a converter puts on exhaust flow. And even when
> properly functioning is unreasonably hot.
> 
> Bill Robertson
> #5939