what should i go with. also i have black injectors but dont know the size of them.

 

what are the rest of your mods.... give us some information.

 

you will not see any difference. .01 is nothing.

 

just stg 2 cai borla muffler ngk's and my car reads 14 psi

 

cooling mods first.

 

2.9

IMO, I would not put any smaller than a 2.9 on Stage 2 injectors, especially without a tune, although I have seen people put a 2.85 or 2.8 on... your choice.

And, like srowler9 said, there is no noticable difference in 2.79 and 2.8

 

ok but i dont think i have the stage 2 injectors. they are black. how can i tell?

 

stage 2 injectors are black...stock are green top.

and the only diff. in the two pulleys is the smaller one will be the end of your engine first, without proper supporting mods...

 

They are the same. Maybe you should think of a 2.9 or 2.8.

 

Especially since ZZP just dropped their Stage 2 pulleys to $50, you should just get a 2.9 for the stage 2 hub, you will notice a little gain.