hey so im going from a d15b2 none vtec to a d16z6, i got all the things needed(engine, tranny, p28 & boomslang harness) just a few q's ~ do i need a resister box? im planning on using the standard d16 injeators and later 440cc's for when i boost ~ the boomslang harness has four blue wires(ill post a pic later), are these for the injectors? since im goin from dpfi to mpfi.. apart from droppin the engine in & wirin the vtec, O2 sensor & injectors what else do i need to do? will be a BIG help thanks!!