My plan would be to use the stock fuel pressure with the calculated BPW, and "Tune" the chip using TunerPro RT data logs. The attached TunerPro RT screen shots are from a 1227747 ECM not the 16147525. The tuning basics are the same for both the 16147525 and 1227747. Unfortunately the TunerPro RT .adx file for the 16147525 is not has developed as the .adx for the 1227747, so considerable homework is required to get the same looking screen shots from the 16147525 .adx file. The .adx file for the 16147525 is adequate for "Tuning" the 488 engine conversion.
Once you post a data log from the 16147525, myself and other members can offer suggestions for "Tuning" the 488 engine conversion. Without a data log, the suggestions are mostly guessing what is needed to "Tune" the 488 engine conversion.
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