RE: throw adjustment
Adjusting the throws modifies the amount of control surface deflection.
This can make the plane not pitch up and down as quickly ( or more so ) , not roll as quickly ( or more so ), or not yaw as quickly ( or more so ).
If you find that your warbird is too "twitchy" on the stick and you have a hard time controlling it, there are a couple of other things you should consider first.
First and foremost, add EXPO ( exponential ) to the respective channels, say around 30-50% except for the rudder.
Expo turns DOWN sensitivity around the stick center, causing the plane to be "smoother" and easier to control but not affecting overal total surface deflections.
Next you can move the C.G. forward.
Planes that are more nose heavy tend to be a bit easier to land.
If you are trying to combat left yaw at runup prior to takeoff, additional right thrust will help as will elevating the tail.
Most Warbirds are tail draggers that have the tail sitting very low. This causes quite a bit of yaw and difficulty in getting the plane to track straight.
Increasing the height of the tail gear to give it a LESS "nose up" attitude will make the plane track better.
etc.