I am setting up my Funtana-90 and I just cannot get the elevator halves to move perfectly in sinc- I am using CH 2 & 8 on my Futaba-9C, I get them close but one seems to move slightly quicker than the other-

I have the EP adjustment dead on with my triple rates, so they are starting and ending level, but one side seems to get to full deflection before the other- I am going crazy trying to dial it in... It really is only noticeable at 140% def. but it still bothers me-

I thought expo. was the culprit but that is not it-

Whatta all think?

Thanks in advance-