ok just swapped out my b18a1 for a jdm b18c and im having some major problems i used a boomslang conversion harness to convert to obd1 and used the harness off of the a1 and using the dizzy off of the b18c with the plug off of a p28 harness soldered to the a1 harness alll colors are right i have triple checked and still using the obd0 injectors with the resistor box running a chipped p28 with a gsr map and it is running like crap almost sounds like a timing issue once it hits about 4000 rpms its breaking up real bad i have no check engine lights and motor acts like it doesnt want to rev any higher than 4000 rpms i dont have the o2 or knock sensor hooked up because the chip does away with them....so im told i personally rthink the computer i got might have something wrong with it has any1 had any similar problems or does any1 have any suggestions i'd reallly like to get this thing running right o yea i have the skunk 2 intake manifold on it HELP ME PLEASE