My brother sent me a cracked iron exhaust manifold for a Mazda he wants to
sell, but this has to be fixed first. Apparently they all crack, so a used
part isn't available.
I Magnafluxed it and found the end of the crack, i guess I will drill it and
V-grind out the crack, and check it again.
I only have a buzz-box, gas, and a mini-mig, so i guess it will have to be a
I have some 55% Nickle rod marked as machineable, 07235 on the container,
but 16071 on the stick. It says no pre-heat required, but i was planning on
sticking the manifold in the oven at 500 for a while and then bringing the
temp down slow over about 8 hours or so after the weld. Any downside to
The weld will have to go through a flange for the cat, so it will have to be
milled down afterwards.
My brother doesn't care if it cracks a week later, but I do.
BTW, I found some sticks marked "Certainium 889". Any idea what they are
Paul Calman, Hathaway Pines, California