I was wondering if i could get some help, I have a razer Naga gaming mouse that lets me use my own macro's however i was wondering how should I set it up.

I am using atm

Mouse Down
Mouse Up
Delay 0.018 ms

And i set it to cycle as long as i hold Left click. And i just tap left click. Is that right? or would it make more sense to remove the delay completely since i can do that? I noticed the higher the ms delay. the more it fires in a spray, .037 gives a 3 bullet spray per click. and .027 gives almost no spray. So I guess I need to know should i remove the delay completely or is there such thing as too fast where it will hinder the aim.