OBD2b Engine into OBD2a Integra...

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I am in the process of getting a 00 LS obd2b engine to put into my obd2a 97 integra... The ecu is the stock ecu, so an obd2a... I still have all the parts off my obd2a engine, what do I need to do to get it running properly? This project is starting tommorrow, so any advice is appreciated.
 
Ok that's what I was hoping to hear... If I were to put in a 94-95 obd1 into my car, same setup as above, what would be needed?

I'm asking because I have two options for an engine to buy tommorrow:

An obd1 with 78,000 miles or
An obd2b with 81,000 miles
 
for the obd1 it would be the same, but you would have to use the obd1 engine harness and there are a couple wiring issues (small issues) with the iac and the secondary butterflies. there are writeups in the refrence or swap section.
 
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