i have a turbo'd 93 civic ex D16Z6 (turbo T3/T4 hybrid ( VAFC-2 ( complelt MSD setup( lightned flywheel( and built the bottom end) and i would like to run 15lbs boost but the ? is what kinda horse power will i make if i had 750cc injector or if i had 440cc whats the diff. in amount of HP i will make or 1/4 mile time ect... anyone plz help is it worth spending more for 750cc or should i go with 440cc ?? will take ideas for fuel system setups?? what kinda rail/pump/ect..

 

how much more are the 750's youre looking at? and what size housings and wheels are on your turbo?

 

RC 440cc 287.99$$ RC 750cc 310.00 ComPressor 50 A/R Turbine 63 A/R Trim 57 Trim