ive just got a tt-01-D.
modified to have more steering ,custom suspension,i use hpi t-drift tires,an EZ run 9 turn brushless sensorless motor and speed controller,i upped the gear ratio to 21 tooth pinoin to 61 tooth spur,6mm offset at front 9mm rear,front and rear locked diffs,front universal shafts and cups,hi torque metal geared servo,alloy shaft,hi tec long range radio's,2 3600mah batteries on deans plugs,and other vaious chassis modifications.