Hi, I recently put a 2000 B18C5 swap into my 1999 Civic hatchback. The motor is legit with paperwork, and I want to get my car BAR'ed. My question is, what ECU should I run for the test? Reason asking is because the 99-00 Integra ECU's all have the immobilizer chips. I removed the immobilizer chip on my ECU, which throws a constant CEL, and that is an automatic fail at the state ref. I can think of 2 options that might work, but I need some input. Option 1 - I bought a 99-00 Civic SI ECU. I was thinking of swapping the internals out of this ECU and putting it into the P73 casing. That way the casing matches my motor, and it will pass visual. However, will the SI ECU give me the right readings and help me pass smog? I heard that this ECU on this motor runs a bit lean, would that affect smog in a good way or bad way? Option 2 - Run a 97-98 USDM ITR P73 ECU. I would have to run an OBD2B to OBD2A jumper harness. I'm now curious, would the use of a jumper harness still allow me to pass visual? I mean, the P73 code on the casing would still match with the motor, and it still is an OBD2 ITR ECU.. I'm pretty much stumped here, any input, help, or advice would be appreciated, thanks!