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31steve · 04-06-2021, 11:50 AM

Good questions Brent, I don't know why the groove is cut like that but my guess was someone peened over a plug at one time and needed to remove it so they cut a slot for a screwdriver to try and get it out. They did it after the new seats were installed but before the valves were installed. The groove just nicks the top of the seats and they are tight in the block. This is the first time I have had the head off this engine so I was surprised to see this. It was a good runner and never consumed water. I can magnaflux it but don't have a sonic tester. I will check around and see if I can find a shop with one.

04-06-2021, 11:50 AM	#13
31steve Member Join Date: Jan 2014 Location: Asheville NC Posts: 49	Re: B block hole repair Good questions Brent, I don't know why the groove is cut like that but my guess was someone peened over a plug at one time and needed to remove it so they cut a slot for a screwdriver to try and get it out. They did it after the new seats were installed but before the valves were installed. The groove just nicks the top of the seats and they are tight in the block. This is the first time I have had the head off this engine so I was surprised to see this. It was a good runner and never consumed water. I can magnaflux it but don't have a sonic tester. I will check around and see if I can find a shop with one.