2psi extra fuel pressure should be enough to bring the HIGH TRIM down close to 100.
As you pass your engine's power peak, the Volumetric Efficiency starts to drop, which means that the amount of air and fuel necessary at that rpm will actually be less than at the power peak.
As you pass your engine's power peak, the Volumetric Efficiency starts to drop, which means that the amount of air and fuel necessary at that rpm will actually be less than at the power peak.