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Old 04-18-2012, 12:21 PM   #11
dantimdad
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Join Date: Feb 2010
Location: Hartselle, Al.
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Re: What did you do to your truck today?

You have to chase the threads before you put the plugs in. They become corroded and filled with calcium over the years. If you don't chase them, the pressure will expand the port and crack the manifold.

I did mine and it went off without a hitch.

Steven
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