castech heads

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by rg79, Dec 11, 2012.

  1. rg79

    rg79 New Member

    I've recently gotten my 05 ccz71 paid off, only to realize that I am one of the doomed truck owners with these heads. Any ideas if my block sealer idea doesn't work. And what's the best way to remove the "snot" left behind in the valve train without " intrusive surgery"?

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