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Old 06-14-2019, 03:19 PM   #1
New24ords
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Default Cracked 1949 8BA

Does anyone know if this is anything to be concerned about. It will be heading in for further inspection.[IMG]img 0894[/IMG]
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Old 06-14-2019, 03:21 PM   #2
JSeery
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Default Re: Cracked 1949 8BA

Edit: Photo showed up after a delay for some reason.

Last edited by JSeery; 06-14-2019 at 03:34 PM.
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Old 06-14-2019, 03:27 PM   #3
New24ords
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Default Re: Cracked 1949 8BA

I can see the picture
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Old 06-14-2019, 03:29 PM   #4
JSeery
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Default Re: Cracked 1949 8BA

It just showed up on my computer as well. The crack between the bolt hole and the water passage shouldn't be an issue. The one traveling up from the bolt hole should be drilled at the end as a minimum. Pinning it would be better. There are several posters on the Barn that are much more knowledgeable than me on cracks and repairs. Might check with your machinist and see what his experience/capabilities is/are.

Last edited by JSeery; 06-14-2019 at 03:36 PM.
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Old 06-14-2019, 03:42 PM   #5
New24ords
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Default Re: Cracked 1949 8BA

I was thinking about drilling the one crack heading up
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Old 06-15-2019, 12:04 AM   #6
Russ/40
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Default Re: Cracked 1949 8BA

I'd leave it alone and run it.
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Old 06-15-2019, 12:23 AM   #7
tubman
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Default Re: Cracked 1949 8BA

You know Russ? I think I agree with you. It looks like it's been there forever and is quite stable; doing anything might upset the equilibrium.
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Old 06-15-2019, 09:51 AM   #8
Russ/40
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Default Re: Cracked 1949 8BA

Well, as they say - great minds work alike.
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Old 06-15-2019, 11:15 PM   #9
Pete
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Default Re: Cracked 1949 8BA

It depends on how much you are willing to gamble. If it fails, it will be EXPENSIVE.
It is an easy cheap fix to pin it.
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Old 06-16-2019, 09:29 AM   #10
rotorwrench
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Default Re: Cracked 1949 8BA

Once a crack gets started, it rarely quits growing. A few times getting hotter than it should, which we all know can happen on flatheads, may spread the crack into an exhaust valve pocket. It will be a lot harder to fix then.
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Old 06-16-2019, 12:38 PM   #11
philipswanson
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Default Re: Cracked 1949 8BA

A good machinist can drill it and pin it. Otherwise it will keep traveling.
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