I've searched up on a bunch of different sites, and i've collected a bunch of info. I figured this would be the best place to ask this question. I have a 2000 dc integra with a obd2b b18b. I am putting a jdm 97 b18c gsr in it, and its obd2a. I already have the obd2b to obd2a jumper harness for the p72 ecu. How hard will the wiring of this swap be? I've done numerous engine swaps, but all of them were plug and play. How many vtec wires does the jdm b18c have? I know some jdm engines have only 1 or 2 vtec wires (im not sure if this goes for this engine) while usdm gsr's have the knock, vtec pressure, and etc. Also will i have to mess with the IACV? Any information on this swap would be great!!! i apprecite it guys.