well i also am a proud owner of the mt-2 it is the most bad ass thing i have ever played with. i am also into p-roach so i prety much know how to make it sound good see i too play a crate gfx...for the amp put it on overdrive and put the od level on anywhere from 7-9 and put the pedal on...
level:5
low:7-8
mid:7-8
high:7
mid frequency:5
distortion:7-10

hope it helps thats how i play it