Re: Manifold Repair

Posted by george md on January 24, 2004 at 19:49:32 from (67.74.226.42):

In Reply to: Manifold Repair posted by Loon Yi on January 24, 2004 at 17:37:07:

Loon Yi,

The material that I use to repair cast iron
is cast iron in the form of a square rod and comes in
several sizes. This repair is not brazing , it is
oxy/acet welding. Exhaust gases are not hot enough
to melt the cast and I have never seen it melt
the brazing material .
The material in arc weld rods is mostly nickel
and not cast iron . Most any form of arc weld on
cast does not work well , not to say that it doesn't
work just not well . I started out 35 + years ago
with the idea that arc would fix most anything but
eventually I learned that to fix cast properly you
will use oxy/acet and cast iron rod . If done
properly and ground it is almost impossible to find the weld as the rod is color match and material match to the work.

george

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