Flew it twice today. The throttle response was definitely better but still was not perfect. Right now, I do have it set on the innermost hole on the the throttle servo and farthermost hole on the carb arm. I might add another linkage to see if that helps. Would adding some sort of extension to the carb arm help? The outermost hole (actually the only hole) is just less than half an inch out. The carb arm is not adjustable since it has a notch in it.