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36coupe · 04-07-2021, 06:05 AM

How can a flathead block deck be repaired? I have a gouge from a valve seat to the coolant port on the sealing area to repair about a 1/4 wide and a 1/32-1/16” deep.
JB weld would be too easy, I don’t think it would hold.
Can it be bronzed? A couple dabs with the mig and filed down? Would silver solder be too hot? I’ve repaired an exhaust manifold with a nickel rod on the arc welder but it was much thicker and I would be way to nervous to strike out an arc on the block.
Thanks

04-07-2021, 06:05 AM	#1
36coupe Senior Member Join Date: Oct 2012 Location: Eastcoast Posts: 864	How to repair damage to a deck How can a flathead block deck be repaired? I have a gouge from a valve seat to the coolant port on the sealing area to repair about a 1/4 wide and a 1/32-1/16” deep. JB weld would be too easy, I don’t think it would hold. Can it be bronzed? A couple dabs with the mig and filed down? Would silver solder be too hot? I’ve repaired an exhaust manifold with a nickel rod on the arc welder but it was much thicker and I would be way to nervous to strike out an arc on the block. Thanks