PX, to my knowledge, nobody has run a 3L tour with significant traction aids, which is the main reason why the 3L tours haven't put down better numbers. The extra TQ of the 3L that can't get it to the ground isn't going to put down much better numbers than a compareable 2.5L that is able to get it to the ground.
My suggestions is to ad slicks and stage-III axles to your mods list and set us all to shame with the 3L NA title.