yes, you can run comp stage 2 or 3.. as long as their the non-pi cams.. that will give you about the same lift as your stock pi cams, just a lot more duration.. you would not have to worry about clearance issues, or change springs since the lift wouldn't be any more that stock.. and yes, you have the right pistons, the pistons on these newer cars are already set up for it, as well as running a supercharger or nos.. these cams really come alive with a supercharger.. i run the stage 3 non-pi cam "XE274H" in my 02 gt and they work great. will work on stock tune, but really come alive with a tune, basically just add 2 deg. timing and set air/fuel mixture.. sound awesome too..
