hey all. 91,ve,wsb,air dog,frozenboost,snow,nos,427rwhp at redding [one of Adam Winslet's trucks out of winspeed/left coast diesel. question-what can someone tell me about shifting my old xcase w 900# of torque on it. sounds crazy. np205? cut gears. been running in 2wd w 325/60 18's in back. thinking abt 4wd and shifting out in 2nd. what do ya think?