James,
I just went through this procedure with a 3.0, minus the bottom end. I sent all my machine work out to Competition Engineering in CA. Top notch work and Walt has been doing Porsche machining for the past 25 years. I'm not saying the local can't do the necessary machining, but I didnt invest too much time looking for local shops when the praises have already been sung about the 'well knowns' (Ollies, EBS, Rennsport Systems, CE)......too bad they are out on the west cosat.
One thing to remember about the 2.7 cases is they are made of magnesium and tend to need machining to make them true again. Also, the head stud threads have tendancy to strip out the case and these also need to be strenghtened. The 2.7 may or may not have the oil bypass modification, and is a worth while upgrade to do while you are in there. I'm sure Wayne goes through all this in his book, just make sure you ask the proper questions and know the machine shop you choose can do the nesessary work correctly.
BTW: I second Dan's suggestion, follow the proper break in procedures, then drive it like you stole it
Actually, these are one in the same after the 20-min. cam/rocker break in
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Welcome to the board.
-Charlie