what is this behind my freeze plug?

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what is this behind my freeze plug?

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USAJon

Post subject: what is this behind my freeze plug?

PostPosted: Sun Jul 17, 2011 11:24 am

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Turbo EFI

Joined: Wed Feb 20, 2008 11:29 am
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Location: Silver Spring, Maryland U.S.A.
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some sort of steel rod, thats flexable. there is one in the first freeze plug and one in th erear freeze plug.
I have never seen anything like this in an engine..
what does it serve?
I would like to know b4 I button up w/new brass freeze plugs

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SlantSixDan

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PostPosted: Sun Jul 17, 2011 11:49 am

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Casting core anchor wires. They don't really hurt anything but eventually they'll rust away and the rust will be in your cooling system. Remove them. Grab with Vise-Grips and twist the Vise-Grips until the wires break off at both ends, then yank 'em out.

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