i was told that all injectors 850cc and higher are all low impedance.now if i run 1000cc injectors for top end will i need resistors for them ?

in other words- i dont know if i can runn the stock hi impedance 550cc primary injectors and 1000cc low impedance secondarys injectors on a microtech lt12s with out resistors?


will the 1000cc injector fit in the stock turbo fc fuel rail???
or is the rail too small for 1000cc??