i remember seeing occasional updates on this over on PT.com. nice to see it in more detail and more complete.
youll have to give us some pictures of the details, and some more details on the suspension.
and on the race parts, the reason to detune them for a true PT car is that TOO much power makes a car uncontrollable. 600hp is more than plenty for any autocross a-body. more than that, and they become very difficult to control out on track. i actually have enough issues with 400 at the wheels autocrossing. i cant imagine 600 in my car. the detuned race parts should be able to be beaten mercilessly year after year after year and NEVER need to be freshened.