From:Ian Davidson e-mail:dvdsni@aol.com
Subject:RE: RE: RE: Detroit rock city Again 12 through16 re-thread Date:Sun Mar 3 23:25:40 2013
Response to:4630
Mark,What an ingenious idea,using the line boring bar to guide the tap.congratulations on your tool design.The beauty of it is it can be used on all the Henderson engines.

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Yes
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Pretty cool stuff. Did you cut the hole through the tap by EDM?

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Pics of new tooling that will allow the threading of new caps to old blocks.