Originally Posted by jlicrx

for the B18 into the CRX, you need the B-series tansmission & intermediate shaft, 90-93 Integra axles, mount kit (like Hasport) and shift linkage (like Hasport) - if your CRX is the HF model, you will need to swap the knuckles/hubs for ones from a 88-91DX/Si/LX/EX - whatever the model, use the engine harness that is on the car and modify it where required - Si and HF harnesses should plug right in - if the car is a DX model, you will need to convert the wiring from DPFI to MPFI - you didn't say what year the B18 is - OBD0 90-91 is no problem - OBD1 92-up will require additional wiring changes or changes to the engine depending on whether you want to run OBD0 or OBD1