Hello, I have a 72 f250 cs with a 390. I have been going through and freshening up the engine a bit. The previous owner installed a set of C7ae-a heads, which I removed to fix a few broken exhaust manifold bolts. On inspection I found some damage on a FE of the exhaust valves. I have attached a few photos. Anyone have any idea what would have caused this?
Brian
Cylinder Head valve damage
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Cylinder Head valve damage
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BPA
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Re: Cylinder Head valve damage
Rocker photo attached
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