So not adjusting with rudder will make you a better shot long term.
By all means try both and see what works.
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I run with 60% rudder. I would advise not to have any deadzone in your rudder. That's what is causing your touchy problem probably. You always want a nice smooth transition across the whole deflection. There is no rudder center really when you are flying. You fly by feel and "step on the ball." You don't have to look at the ball after a while you'll be able to feel the yaw in the plane and compensate. This is very important in the 109 because lack of rudder trim. You'll hardy ever fly rudder centered in the 109 or any other fighter. So you see there is no reason to have a deadzone. My opinion about rudder, the stick is used to get close to the target, the rudder is used to aim at the target. They work hand and hand.