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Is this normal for a head that has been worked alittle?

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Old 06-09-2006, 07:06 PM
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Default Is this normal for a head that has been worked alittle?
Here are 2 pictures of a cylinder head that has been milled to I think 63cc's. This material that is missing betwen the valves, is this normal and safe to install? Please let me know. Thanks
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Old 06-09-2006, 09:12 PM
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Anybody?
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Old 06-09-2006, 09:23 PM
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Hard to say from the small picks. Are the valve seats damaged?
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Old 06-09-2006, 09:29 PM
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no the seats are not damaged. Just the metal in between the seats is missing like in the picture. I tried to post a bigger picture but it was to large.
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Old 06-10-2006, 12:16 AM
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are they sharp and edgy? It could create a hotspot in the chamber to invite detonation if they are, and I would get them smoothed out.
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Old 06-10-2006, 07:47 AM
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I wouldn't use it that way. I would have a machine shop remove the seats and heliarc over that divit and then smooth.
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Old 06-10-2006, 10:44 AM
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Originally Posted by jub jub
I wouldn't use it that way. I would have a machine shop remove the seats and heliarc over that divit and then smooth.
Correct, this area is directly in the center and that area is subject to tremendeous pressures.
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Old 06-10-2006, 05:25 PM
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Would they be worth even buying for the right price? Also what would you pay for these heads the way they are if they are repairable? Thanks
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Old 06-11-2006, 04:57 AM
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If you don't have them, skip them.
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Old 06-11-2006, 08:39 AM
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Originally Posted by PREDATOR-Z
If you don't have them, skip them.

I couln't agree more. MOVE ON!!
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Old 06-11-2006, 02:10 PM
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Ok thanks.
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