Lookin pretty good so far, is that one inlet/outlet have 2? it looks kinda like a T
One thing you might want to consider investing in is some cold forming taps or 'fluteless' taps. They push the material rather than cut it. You start with a little larger hole than normal and a little lube and you can turn it right into the peice of copper with no problems at all! These things rock! I have tapped proabably over 100 holes with my 4-40 and 50 or so with my 6-32. you can get them at any larger tool place like mcmaster, jtsmachine, and mscdirect
Jon
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