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799 head damage, can it be fixed?

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Old 12-03-2016, 05:41 PM
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Default 799 head damage, can it be fixed?

set of 799 head CNC ported, there's a little damage on them and I'm not sure if I should or could have it machined out. Looks like a piston went out in one of the cylinders and garbage beat the metal up a little, only on one cylinder.
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Old 12-03-2016, 06:47 PM
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They can repair Aluminum pretty good. This one has been Repaired.
Old 12-03-2016, 06:50 PM
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So there's hope, sweet!! What did that cost you?
Old 12-04-2016, 06:10 PM
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I purchased the heads as a set, I did not pay for the repair, so I can't help you there.
Old 12-04-2016, 06:36 PM
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Are you referring to the handful nicks on the left side of the pic? Is there more I can't see? Doesn't look like much actual damage...perhaps not enough to actually warrant a legit repair. But I may not be getting the full story looking at it on my phone.
Old 12-04-2016, 07:05 PM
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Yes I'm talking about exactly that, I wanna keep the springs which are .660 lift. My cam is a .600 lift I just wanna replace the valves and run em but I don't have enough cash for both so if I don't need to fix them I'm putting new valves and bolting them up. By the way should I replace the valves with stock ls6 valves or something shorter? Any suggestions?
Old 12-04-2016, 07:25 PM
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I would knock the high spots off and then smooth what's left if it needs it with a file or similar and run them. Just use a straight edge across the head to make sure you take everything down to at or blow the level of the same areas of the other chambers. In a perfect world, have a machine shop clean them up..but we don't live in a perfect world, do we?

EDIT: are the valves even damaged?



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