JDM B18B swap into 91' Integra LS

I just bought a JDM B18B for my 91' integra and i am trying to get all the info before i start. I was wondering if anyone knew what parts i need to take from my old motor? And will i need anything extra to get it running right?
Thanks, Jeff
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i answered you in the other post, where did you get a jdm b18b from ?

I got the motor from Nippon-motors, it has 30K on it. But i am having a lot of trouble getting everything working right. I can't figure out what i need from my old engine and what i dont. HELP!

Will my DC exhaust (header) fit on my JDM B18B?

If you have a 91, you had a B18A. If the motor is called B18B, it's 94+. That means your shit isn't working because of OBD problems. The car is OBD0 the motor is OBD1. Get a modded wiring harness for the OBD0 to OBD1 conversion.

Yes the header will fit.

Will i still need the ObD1 if i take my intake mani, Dist and O2 sensor from my old motor? And will my exshaust fit from my old motor?

yes everything will trade over and fit, you also need the coolant temp switch or whatever its called because hte obd1 doesnt have that sensor, its on the thermostat, there is a place for it on the back of the block so just take out plug and put in sensor