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JSeery · 07-10-2019, 08:13 PM

Extractor is not the way to go on a head bolt. Not finding it is most likely a blessing! You break off an extractor and you just complicate the problem and it is highly unlikely it would work anyway. Best method is to weld a nut to it and turn it out that way. The cast iron in the block will not be bothered by the weld and the heat will break the rust bond.

07-10-2019, 08:13 PM	#143
JSeery Member Emeritus Join Date: Nov 2012 Location: Wichita KS Posts: 16,132	Re: First Flathead Build Extractor is not the way to go on a head bolt. Not finding it is most likely a blessing! You break off an extractor and you just complicate the problem and it is highly unlikely it would work anyway. Best method is to weld a nut to it and turn it out that way. The cast iron in the block will not be bothered by the weld and the heat will break the rust bond.