Let me know how its running after you fly next ok? What rpm were you turning prior to putting the stack on? What prop are you using? Zinger? Zinger Pro? Menz? I was using a plain old Zinger 22x10 but couldnt get much more than 6000 rpms. For now Im using a 22x8 and getting 6800. Im not sure which prop I should really be using but the 22x10 seems to lug the motor.

Chuck