I keep hearing how are engine in the sx is he same as that in the evo and srt and even are sister company 2.0 t ! so there cams should work in are car know ? I am doing a na build and am looking for a cam upgrade nothing major just a small one ! has any one done a cam upgrade on there 2.4 and if so to what cams did it work dose it drive smooth still just with a bit more power! this car is my daily driver so need to keep it smooth and reliable !