Need help with aiming!

I have never had this big of a problem with aiming in Halo before. I’ve tried everything and nothing feels like home. 3 - 1 felt better but slow. 4 - 1 feels waaayy too fast. Anyone have any hidden tricks to find the sweet spot 3:

i use 3/2 with 0% deadzones, I like it. I told my friend to adjust to it and he really likes it as well.