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Original Message
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extra hole |
By Barry B - 01/11/2006 12:24:16 AM; IP 71.128.3.26 |
he's talking about the extra hole below the top center head bolt hole. It's on the head face surface and only goes thru to the water passage. I've seen it on C6AE-U, C7AE-A, C8AE-H and D2TE-AA heads too. Have no idea why they added it, maybe to help remove the casting sand? Anyway, the hole gets sealed up with the head gasket. |
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