Slant 6 Head: metal rod in heads water jacket?

slantsixdan said

Slantsix64 is correct; they're casting mould support wires. They're made of steel, so they contribute to cooling system rust. While you have the head off, remove them. Sometimes they fight you; grab hold with a sturdy pair of appropriate pliers and twist!

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Thanks Dan! Once I heard I wasn't the ONLY guy to find this, I figured that's what it was. I had no plans to touch it (if it works: don't fix it). But, then, if people remove 'em, I'll remove it! (I just didn't want to create a problem out of a non-problem!)