will i need an A/F controller?

[Focusonme13]

if i run a walbro 255 pump/ rewire kit.....and 550 injectors....am i going to need an a/f controller?....if i do....can some1 tell me wats they best way to get more fuel....without having to buy an a/f controller

 

[Megaman]

you will need an afc
http://www.roadraceengineering.com/newafc.htm