Repairing cracks in cast iron

[Speedy Builder5Participant @speedybuilder5]

Our village has a cross at each road that leads into it. There are about 5 crosses in various states of repair. I don't think there is any real historic value in them, its just a nice to have and nice for us English to do something that preserves the heritage of this small French village. Our headcount is about 160, but only about 60 of us live here all year, the others are holiday homes.
BobH

[Nigel McBurney 1Participant @nigelmcburney1]

I would try to repair the crack by a "cold" method, I think that preheating the cylinder to a high temperature could cause some distortion of the cylinder bore resulting in further expense i.e. boring and sleeving or boring and new piston .If the crack can be reached or seen from the inside of the water jacket then a thorough clean and a good dollop of plastic padding will seal the crack, I successfully repaired a Ruston Hornsby Cylinder head in this manner

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