My headspeed is about 2700-2800 I believe. My pitch curve (normal mode) is: 42, 45, 50, 75, 100 and throttle (normal mode) is: 0, 55, 75, 90, 100
Your mileage (errr headspeed) may vary.
Oh and I'm using the medusa motor with a CC35 (boy does this thing scream!!)