3408501 TheCell i think is really an ecm section no for any cummins isx cm570,,,, you'll need e2m file to Enjoy with your ecm in calterm and not an ecfg file (ecfg is for more recent ecm product like isx cm871, isx 2250)7. Anyone did this transformation before to improve RPM limit on this ECM? Is linked to any parameter to become modified by CALTER