I searched the old threads on fuel pressure drop on supercharged LS3 / E38 ECM - and possible solution with ADM FPCM... but found no final answer. Has anyone successfully implemented the ADM FPCM on a 2014 Chevy SS? (This car from the factory has the ZL1 fuel pump but not the ZL1 FPCM.) If so, were any other hardware changes required? And what specific parameters have to be changed in the tune file in hptuners? My SAE fuel pressure signal drops from nominal 58 psi to 40 psi or less at WOT/ high RPM (at highest flow rate). I am still fairly close to my targeted 11.4 AFR (about 11.5-11.6) on both L/R wideband sensors, but don't like living dangerously. A screenshot of my data log is attached. (I don't have the ADM FPCM - but am considering it as a solution.) Thanks in advance.
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