i was gonna do the fuel pump but i heard its not really needed. what should i upgrade for 5psi, and fmic. should i do injecters and if so what size.

 

I would recommend a larger fuel pump for any FI application, even 5 psi. As far as injectors, with 5 psi and an FMU stock injectors would be OK, if you're going to tune for the supercharger without an FMU I'd go with 36lb'ers and tuning.

 

Injector size is going to depend on what your long term goals are. If you are going to run more than 5 psi, you may want to get the larger injectors from the beginning. If you are going to run 8 psi or more, I would suggest getting 60 #'s. And definitelt get the fuel pump no matter what. You don't want to skimp on fuel in an FI setup.