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ADM FPCM, when car is tuned for it, boosts pressure at 4K rpm and above. It is a modified ZL-1 FPCM. Without the tune, it behaves like an OE FPCM with no benefit.
There were numerous threads with HPT logs that show fuel pressure increases. I use the ZL1 pump, ADM FPCM, and KB BAP. KB BAP w/OE SS pump, couldn't keep up fuel pressure at 10 PSI boost with my KB 2.8. Mine was dropping to 48-49 PSI. Left the BAP since it was pre-wired in the trunk. Added the pump and FPCM and everything is good. Not planning to go over 650 RWHP, the suggested safe limit.
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