CA extra is a way cool plane, I have about 2 dozen flights on mine. I'm running a zdz50. You'll need taller gear with a 22" prop, I used the patty wagstaff gear, and I still don't have enough height. Ballance it on the forward part of the wing tube.

This is my first Giant Scale plane, and it's quite fun, but what I noticed is that rotations in spins or tumbles need to be corrected, you can't just let go of the controls and let the plane fly again like a fun-fly.
I can actually do a rolling harier circle with this plane (WAY up high) but definatly the plane makes me look like a good pilot