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MAT being what it is, with a cursory review, 1.4G/cyl is hauling the mail vs 1.29 @ similar RPM (actually less).
Not being familiar with the centri intercooler nomenclature is that still an A2A? If so an an A2L would change those numbers provided the IC block & cooling circuit was adequate.
Then again there’s always the killer chiller for the PD.
Add: I never really paid attention to the compressor efficiency of a centri vs a PD as I understand a linear rate centri compressor map highly relies on not only pressure ratio, but also engine RPM (translated to compressor RPM), while at the same time a PD does as well, but a PD holds an tangible advantage as fluid density increases.
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