I wanna swap a b18c5 into my gsr sedan. Its usdm, but since its obd2 how would i put it into my obd1 car? I mean liike the wiring and the ecu and everything

 

you need a ecu jumper that connects from obd11 to obd1 car. JDMhondaparts.com have some.

 

Jumper will only work for 99 and older ecus as the 00 and 01 ecus have the imobilizer in the ecu.

I have a 2001 B18C5 in my 94 GSR. To get it to work with the OBDI wiring harness you need to reuse your fuel injectors, alternator, starter and distributor. You will also need a different sized AC belt as well as a ITR throttle cable or modify your the throttle cable bracket for use with the GSR cable. Then you either use your OBDI P 72 to run and fine tune with a VAFC or get a chipped OBDI VTEC ecu with a program for the single butterfly manifold. I am using a P08 Skunk2 chipped ecu with VAFC and it works great.

Good luck with your swap!