im doing a engine swap from a stock d15 in a 4 door civic lx 91 and puting a d15b vtec sohc in now ive never done a swap on a civic before but right now it's got the one injector (TBI) and the vtec has the 4 injectors with fuel rail what do i need to change and where or what car can i get the wireing and computer from i just need to know basicly what i need to get if anyone could help that would be great