Quote:
Originally Posted by duke36
You may get a lot of responses and search the Forum, so perhaps await a few days. Cast iron is very tricky to weld and usually needs to be furnace heated . Heed advice above.. The block appears to be worn thru with not much metal thickness, not a crack which can be a candidate for metal stitching followed by overcoating with a professional grade epoxy such as Belzona. Some sources suggest that threaded pins used in stitching may leak but have no personal experience.
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DO NOT allow anyone to furnace heat it or you will be re-machining every machined surface on the block. That means the mainline, camline, lifter bores,
guide bores, pan rail, head surface etc etc etc.
Local area heat to no more than 200 degrees is all that is needed for TIG welding.