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Manifold needs help

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16 years 9 months ago #13441 by STEPHEN
Manifold needs help was created by STEPHEN
This is a manifold section from a Gas 50. Part of the pipe where is joins to the main exaust outlet is eroded, does anyone have any practical experiance repairing this kind of damage? I was thinking of brazing with lowfuming bronze to reduce the heat input and machining back to round. What type of packing was used between the sections?:confused: Thanks,

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16 years 9 months ago #13447 by brian18a
Replied by brian18a on topic Manifold needs help
No picture, but knowing what most look like. Some have machined and installed a sleeve. There is no packing they were a slip fit. Hopefully the center section is not completley eroded, most are very thin or have holes and cracks.

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16 years 9 months ago #13488 by STEPHEN
Replied by STEPHEN on topic Manifold needs help
Sorry, here is the manifold section;)
Attachments:

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16 years 9 months ago #13489 by OldNuc
Replied by OldNuc on topic Manifold needs help
The people who reweld antique cast iron stoves, or the shops that weld cylinder heads and manifolds can fix that. You want to find a shop the uses preheating and post heating ovens. They also have to use gas welding and cast iron rod. You can use a high nickel arc rod on a modern head but on an old manifold the gas / cast iron rod will last better. Exhaust manifolds do not heat or cool evenly and the differential expansion will break the weld if it is not cast iron.

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16 years 9 months ago #13504 by Old Magnet
Replied by Old Magnet on topic Manifold needs help
Any body try this stuff????? I'm about to.....
www.muggyweld.com/castiron.html

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16 years 9 months ago #13505 by Al Letts
Replied by Al Letts on topic Manifold needs help
Pete,

I took a look at that site. I was impressed. I'll drop a thread on to www.shopfloortalk.com and see if I get any responses.

AL
D2-5U-10614
other small excavating pieces as well.

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16 years 9 months ago #13506 by OldNuc
Replied by OldNuc on topic Manifold needs help
I believe that is the gas rod that is being used in the processes that I mentioned above.

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16 years 9 months ago #13508 by Old Magnet
Replied by Old Magnet on topic Manifold needs help
It's the arc rod that I'm chasing.......300% elongation over nickel type rod!!!!!
I'll find out soon enough....at least it's on a Ford 800 block:) :)

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