re: exhaust manifold
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re: exhaust manifold




It may not be acceptable for keeping a car "pure", but for a practical
repair, it is easy to braze.  The brass really shows up against the cast
iron.

I have done extensive brazing on cast iron manifolds with good results. 
It can be done with a wire brush (to clean surface) an acetylene torch,
brazing rod and flux.  It is really quite easy and doesn't require any
particular skill. I have done it to fabricate cheepo headers.

I don't know how it will hold up in a really hot manifold but I never had
a failure on MOPAR, GM and Renault in-line engines.

I also split the manifold and brazed in a flange to make dual exhausts
for my '38 Imperial straight eight.  As a High School Kid, I didn't care
about originality, but it sure sounded good with 2 1/2" pipes and
glasspacks.

4 - Toes

On Tue, 19 Mar 2002 17:59:58 -0600 (CST) dardal@xxxxxxxxxxxxxxx writes:
> Can't these be welded as well?  Cast iron is not easy to weld, but I 
> would 
> think that its possible, and it may be cheaper.  Any suggestions?
> 
> D^2
> 
> Quoting JOEHOLSOM@xxxxxxx:
> 
> > My 65 convertible has developed an exhaust leak. I thought I would 
> be
> > able to 
> > get by cheaply and replace the gasket between the manifold and the
> > exhaust 
> > pipe. 



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