Welcome to the HeadBobbers Club! Pity the 6DOF was never integrated into one of the official patches and only available as a mod. I don't know if this link explaining TrackIR setup is of any use or wether I am allowed to point you to it.......(I have FT and deadzone is adjusted by tweaking graphs for each axis).
http:////mission4today.com/index.php...p=show&kid=384