Does anyone know which ecu would be better performance wise? The OBD1 PR3 was used in the JDM 92 Integra XSi with a B16a, and the OBD1 P61 was used in the USDM 92-93 Integra GSR. I'm going to be using one of these with my B18c5 block/ B18c1 head combination. In the future I plan on using Hondata, but not for a little while. I know that the new hondata systems aren't compatible with the OBD1 PR3, which makes me lean towards the P61. Any suggestions or information?