Wwll im currently building an ultimate street setup to keep the stock look uncer the hood most parts are already chosen just need help on injector size here the set up as followed for my IX

I currently have installed
3" turbo back
Maxford manifold
HKS racing suction intake
Apexi grounding kit (it works)
Hallman MBC
This yeilded me 305whp and 300tq 20psi mustang and 350whp 346tq @25psi 104 and I trap 113mph in the 1320

Ultimate street sleeper goodies to be installed
fp 20glt
S1 cams
BR port and polished head with valvle springs and retainers
HKS DLI
Ebay intercooler and lower pipe (I dont want to hear it)

So what size injectors should I use
770,880 or maybe even smaller

 

780s should do the trick,u can go preatty far with them.

 

780's will be fine.

 

Precision Turbo 780's and a Walbro 255