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4th Feb 2017, 01:33 AM #1Most Valued Member
- Join Date
- May 2011
- Location
- Murray Bridge S Aust.
- Age
- 71
- Posts
- 5,959
Different repair of a Cast Iron Head
Saw an interesting process on a British show, Car SOS, on Friday Night 3rd Feb. around midnight. A cylinder head had a crack in the water jacket on top of the head, where there is a raised section like a pipe that goes to the radiator, that had the crack in it.
How it was done was called a cold welding process, that entailed cutting out the cracked section and replacing it with another piece of cast metal, this was hammered in, then cut across the joins, clips inserted and a special type of screw inserted.
The whole repair section was then filed flush, to look very similar to the finished head.
Tried to find a You Tube Video of it but all entailed a welder.To grow old is mandatory, growing up is optional.
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4th Feb 2017, 02:06 AM #2
I think its called "stitching".
Here is a training video of one of the many commercial processes:
https://www.youtube.com/watch?v=Pq0wfU4ZaKkCheers, Joe
retired - less energy, more time to contemplate projects and more shed time....
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4th Feb 2017, 02:18 PM #3China
- Join Date
- Dec 2005
- Location
- South Australia
- Posts
- 1,657
Yep it's called metal stitching it is one of art's that is disappearing I have seen cylinder heads and blocks run for a life time after being repaired in this way, can be performed in place in many cases with disassembly
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